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Finding the Fourth Proportional to 583,415.88, 875,123.82 and 140,183.88

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Solution

The fourth proportional to 583,415.88, 875,123.82 and 140,183.88 is: 210,275.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,415.88 : 875,123.82 = 140,183.88 : x
  2. Step 2: Convert to fraction form
    583,415.88/875,123.82 = 140,183.88/x
  3. Step 3: Cross multiply
    583,415.88x = 875,123.82 × 140,183.88
  4. Step 4: Simplify right side
    583,415.88x = 122,678,248,192.40
  5. Step 5: Solve for x
    x = 122,678,248,192.40/583,415.88
  6. Step 6: Final answer
    x = 210,275.81

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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.