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Finding the Fourth Proportional to 677,951.52, 935,570.52 and 372,032.97

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Solution

The fourth proportional to 677,951.52, 935,570.52 and 372,032.97 is: 513,404.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,951.52 : 935,570.52 = 372,032.97 : x
  2. Step 2: Convert to fraction form
    677,951.52/935,570.52 = 372,032.97/x
  3. Step 3: Cross multiply
    677,951.52x = 935,570.52 × 372,032.97
  4. Step 4: Simplify right side
    677,951.52x = 348,063,079,200.04
  5. Step 5: Solve for x
    x = 348,063,079,200.04/677,951.52
  6. Step 6: Final answer
    x = 513,404.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.