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Finding the Fourth Proportional to 482,728.10, 724,351.35 and 202,273.70

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Solution

The fourth proportional to 482,728.10, 724,351.35 and 202,273.70 is: 303,519.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,728.10 : 724,351.35 = 202,273.70 : x
  2. Step 2: Convert to fraction form
    482,728.10/724,351.35 = 202,273.70/x
  3. Step 3: Cross multiply
    482,728.10x = 724,351.35 × 202,273.70
  4. Step 4: Simplify right side
    482,728.10x = 146,517,227,664.50
  5. Step 5: Solve for x
    x = 146,517,227,664.50/482,728.10
  6. Step 6: Final answer
    x = 303,519.16

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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.