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Finding the Fourth Proportional to 583,415.63, 875,123.45 and 140,183.63

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Solution

The fourth proportional to 583,415.63, 875,123.45 and 140,183.63 is: 210,275.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,415.63 : 875,123.45 = 140,183.63 : x
  2. Step 2: Convert to fraction form
    583,415.63/875,123.45 = 140,183.63/x
  3. Step 3: Cross multiply
    583,415.63x = 875,123.45 × 140,183.63
  4. Step 4: Simplify right side
    583,415.63x = 122,677,976,842.59
  5. Step 5: Solve for x
    x = 122,677,976,842.59/583,415.63
  6. Step 6: Final answer
    x = 210,275.44

Related Problems

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Half scale
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Double scale
Find fourth proportional to 583,416.63, 875,124.95 and 140,184.63
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.