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Finding the Fourth Proportional to 361,915.94, 542,873.92 and 247,951.38

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Solution

The fourth proportional to 361,915.94, 542,873.92 and 247,951.38 is: 371,927.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,915.94 : 542,873.92 = 247,951.38 : x
  2. Step 2: Convert to fraction form
    361,915.94/542,873.92 = 247,951.38/x
  3. Step 3: Cross multiply
    361,915.94x = 542,873.92 × 247,951.38
  4. Step 4: Simplify right side
    361,915.94x = 134,606,337,630.01
  5. Step 5: Solve for x
    x = 134,606,337,630.01/361,915.94
  6. Step 6: Final answer
    x = 371,927.08

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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.