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Finding the Fourth Proportional to 437,553.40, 656,475.70 and 157,092.60

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Solution

The fourth proportional to 437,553.40, 656,475.70 and 157,092.60 is: 235,691.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,553.40 : 656,475.70 = 157,092.60 : x
  2. Step 2: Convert to fraction form
    437,553.40/656,475.70 = 157,092.60/x
  3. Step 3: Cross multiply
    437,553.40x = 656,475.70 × 157,092.60
  4. Step 4: Simplify right side
    437,553.40x = 103,127,474,549.82
  5. Step 5: Solve for x
    x = 103,127,474,549.82/437,553.40
  6. Step 6: Final answer
    x = 235,691.17

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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.