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Finding the Fourth Proportional to 329,187,067.60, 493,556,652.60 and 156,746,491.60

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Solution

The fourth proportional to 329,187,067.60, 493,556,652.60 and 156,746,491.60 is: 235,013,101.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,187,067.60 : 493,556,652.60 = 156,746,491.60 : x
  2. Step 2: Convert to fraction form
    329,187,067.60/493,556,652.60 = 156,746,491.60/x
  3. Step 3: Cross multiply
    329,187,067.60x = 493,556,652.60 × 156,746,491.60
  4. Step 4: Simplify right side
    329,187,067.60x = 77,363,273,700,890,016
  5. Step 5: Solve for x
    x = 77,363,273,700,890,016/329,187,067.60
  6. Step 6: Final answer
    x = 235,013,101.41

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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.