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Finding the Fourth Proportional to 251,772.56, 377,658.86 and 240,839.28

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Solution

The fourth proportional to 251,772.56, 377,658.86 and 240,839.28 is: 361,258.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,772.56 : 377,658.86 = 240,839.28 : x
  2. Step 2: Convert to fraction form
    251,772.56/377,658.86 = 240,839.28/x
  3. Step 3: Cross multiply
    251,772.56x = 377,658.86 × 240,839.28
  4. Step 4: Simplify right side
    251,772.56x = 90,955,087,928.02
  5. Step 5: Solve for x
    x = 90,955,087,928.02/251,772.56
  6. Step 6: Final answer
    x = 361,258.94

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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.