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Finding the Fourth Proportional to 482,789.60, 724,443.60 and 202,335.20

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Solution

The fourth proportional to 482,789.60, 724,443.60 and 202,335.20 is: 303,611.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,789.60 : 724,443.60 = 202,335.20 : x
  2. Step 2: Convert to fraction form
    482,789.60/724,443.60 = 202,335.20/x
  3. Step 3: Cross multiply
    482,789.60x = 724,443.60 × 202,335.20
  4. Step 4: Simplify right side
    482,789.60x = 146,580,440,694.72
  5. Step 5: Solve for x
    x = 146,580,440,694.72/482,789.60
  6. Step 6: Final answer
    x = 303,611.43

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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.