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Finding the Fourth Proportional to 482,753.08, 724,129.62 and 150,355

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Solution

The fourth proportional to 482,753.08, 724,129.62 and 150,355 is: 225,532.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,753.08 : 724,129.62 = 150,355 : x
  2. Step 2: Convert to fraction form
    482,753.08/724,129.62 = 150,355/x
  3. Step 3: Cross multiply
    482,753.08x = 724,129.62 × 150,355
  4. Step 4: Simplify right side
    482,753.08x = 108,876,509,015.10
  5. Step 5: Solve for x
    x = 108,876,509,015.10/482,753.08
  6. Step 6: Final answer
    x = 225,532.50

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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.