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Finding the Fourth Proportional to 251,500.38, 377,251.53 and 238,886.88

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Solution

The fourth proportional to 251,500.38, 377,251.53 and 238,886.88 is: 358,331.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,500.38 : 377,251.53 = 238,886.88 : x
  2. Step 2: Convert to fraction form
    251,500.38/377,251.53 = 238,886.88/x
  3. Step 3: Cross multiply
    251,500.38x = 377,251.53 × 238,886.88
  4. Step 4: Simplify right side
    251,500.38x = 90,120,440,976.93
  5. Step 5: Solve for x
    x = 90,120,440,976.93/251,500.38
  6. Step 6: Final answer
    x = 358,331.23

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1.5x scale

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.