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Finding the Fourth Proportional to 583,416.50, 875,124.76 and 140,184.50

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Solution

The fourth proportional to 583,416.50, 875,124.76 and 140,184.50 is: 210,276.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,416.50 : 875,124.76 = 140,184.50 : x
  2. Step 2: Convert to fraction form
    583,416.50/875,124.76 = 140,184.50/x
  3. Step 3: Cross multiply
    583,416.50x = 875,124.76 × 140,184.50
  4. Step 4: Simplify right side
    583,416.50x = 122,678,926,918.22
  5. Step 5: Solve for x
    x = 122,678,926,918.22/583,416.50
  6. Step 6: Final answer
    x = 210,276.75

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Half scale
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Double scale
Find fourth proportional to 583,417.50, 875,126.26 and 140,185.50
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.