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Finding the Fourth Proportional to 435,575.70, 653,388.14 and 155,092.95

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Solution

The fourth proportional to 435,575.70, 653,388.14 and 155,092.95 is: 232,648.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,575.70 : 653,388.14 = 155,092.95 : x
  2. Step 2: Convert to fraction form
    435,575.70/653,388.14 = 155,092.95/x
  3. Step 3: Cross multiply
    435,575.70x = 653,388.14 × 155,092.95
  4. Step 4: Simplify right side
    435,575.70x = 101,335,894,127.61
  5. Step 5: Solve for x
    x = 101,335,894,127.61/435,575.70
  6. Step 6: Final answer
    x = 232,648.18

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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.