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Finding the Fourth Proportional to 482,772.60, 724,418.10 and 202,318.20

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Solution

The fourth proportional to 482,772.60, 724,418.10 and 202,318.20 is: 303,585.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,772.60 : 724,418.10 = 202,318.20 : x
  2. Step 2: Convert to fraction form
    482,772.60/724,418.10 = 202,318.20/x
  3. Step 3: Cross multiply
    482,772.60x = 724,418.10 × 202,318.20
  4. Step 4: Simplify right side
    482,772.60x = 146,562,966,039.42
  5. Step 5: Solve for x
    x = 146,562,966,039.42/482,772.60
  6. Step 6: Final answer
    x = 303,585.92

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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.