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Finding the Fourth Proportional to 482,807.60, 724,470.60 and 202,353.20

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Solution

The fourth proportional to 482,807.60, 724,470.60 and 202,353.20 is: 303,638.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,807.60 : 724,470.60 = 202,353.20 : x
  2. Step 2: Convert to fraction form
    482,807.60/724,470.60 = 202,353.20/x
  3. Step 3: Cross multiply
    482,807.60x = 724,470.60 × 202,353.20
  4. Step 4: Simplify right side
    482,807.60x = 146,598,944,215.92
  5. Step 5: Solve for x
    x = 146,598,944,215.92/482,807.60
  6. Step 6: Final answer
    x = 303,638.44

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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.