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Finding the Fourth Proportional to 219,645.60, 329,468.40 and 182,247.90

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Solution

The fourth proportional to 219,645.60, 329,468.40 and 182,247.90 is: 273,371.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,645.60 : 329,468.40 = 182,247.90 : x
  2. Step 2: Convert to fraction form
    219,645.60/329,468.40 = 182,247.90/x
  3. Step 3: Cross multiply
    219,645.60x = 329,468.40 × 182,247.90
  4. Step 4: Simplify right side
    219,645.60x = 60,044,924,016.36
  5. Step 5: Solve for x
    x = 60,044,924,016.36/219,645.60
  6. Step 6: Final answer
    x = 273,371.85

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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.