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Finding the Fourth Proportional to 482,767.40, 724,151.10 and 451,663.40

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Solution

The fourth proportional to 482,767.40, 724,151.10 and 451,663.40 is: 677,495.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,767.40 : 724,151.10 = 451,663.40 : x
  2. Step 2: Convert to fraction form
    482,767.40/724,151.10 = 451,663.40/x
  3. Step 3: Cross multiply
    482,767.40x = 724,151.10 × 451,663.40
  4. Step 4: Simplify right side
    482,767.40x = 327,072,547,939.74
  5. Step 5: Solve for x
    x = 327,072,547,939.74/482,767.40
  6. Step 6: Final answer
    x = 677,495.10

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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.