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Finding the Fourth Proportional to 251,251.20, 352,684.80 and 251,251.20

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Solution

The fourth proportional to 251,251.20, 352,684.80 and 251,251.20 is: 352,684.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,251.20 : 352,684.80 = 251,251.20 : x
  2. Step 2: Convert to fraction form
    251,251.20/352,684.80 = 251,251.20/x
  3. Step 3: Cross multiply
    251,251.20x = 352,684.80 × 251,251.20
  4. Step 4: Simplify right side
    251,251.20x = 88,612,479,221.76
  5. Step 5: Solve for x
    x = 88,612,479,221.76/251,251.20
  6. Step 6: Final answer
    x = 352,684.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.