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Finding the Fourth Proportional to 482,801.80, 724,202.70 and 306,092.20

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Solution

The fourth proportional to 482,801.80, 724,202.70 and 306,092.20 is: 459,138.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,801.80 : 724,202.70 = 306,092.20 : x
  2. Step 2: Convert to fraction form
    482,801.80/724,202.70 = 306,092.20/x
  3. Step 3: Cross multiply
    482,801.80x = 724,202.70 × 306,092.20
  4. Step 4: Simplify right side
    482,801.80x = 221,672,797,688.94
  5. Step 5: Solve for x
    x = 221,672,797,688.94/482,801.80
  6. Step 6: Final answer
    x = 459,138.30

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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.