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Finding the Fourth Proportional to 453,397.59, 679,951.49 and 149,724.14

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Solution

The fourth proportional to 453,397.59, 679,951.49 and 149,724.14 is: 224,538.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,397.59 : 679,951.49 = 149,724.14 : x
  2. Step 2: Convert to fraction form
    453,397.59/679,951.49 = 149,724.14/x
  3. Step 3: Cross multiply
    453,397.59x = 679,951.49 × 149,724.14
  4. Step 4: Simplify right side
    453,397.59x = 101,805,147,933.59
  5. Step 5: Solve for x
    x = 101,805,147,933.59/453,397.59
  6. Step 6: Final answer
    x = 224,538.35

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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.