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Finding the Fourth Proportional to 477,167.52, 715,481.07 and 157,232.64

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Solution

The fourth proportional to 477,167.52, 715,481.07 and 157,232.64 is: 235,759.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,167.52 : 715,481.07 = 157,232.64 : x
  2. Step 2: Convert to fraction form
    477,167.52/715,481.07 = 157,232.64/x
  3. Step 3: Cross multiply
    477,167.52x = 715,481.07 × 157,232.64
  4. Step 4: Simplify right side
    477,167.52x = 112,496,979,599.56
  5. Step 5: Solve for x
    x = 112,496,979,599.56/477,167.52
  6. Step 6: Final answer
    x = 235,759.92

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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.