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Finding the Fourth Proportional to 350,728.97, 526,266.25 and 163,753.61

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Solution

The fourth proportional to 350,728.97, 526,266.25 and 163,753.61 is: 245,711.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,728.97 : 526,266.25 = 163,753.61 : x
  2. Step 2: Convert to fraction form
    350,728.97/526,266.25 = 163,753.61/x
  3. Step 3: Cross multiply
    350,728.97x = 526,266.25 × 163,753.61
  4. Step 4: Simplify right side
    350,728.97x = 86,177,995,217.95
  5. Step 5: Solve for x
    x = 86,177,995,217.95/350,728.97
  6. Step 6: Final answer
    x = 245,711.09

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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.