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Finding the Fourth Proportional to 476,862.31, 715,023.84 and 156,927.73

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Solution

The fourth proportional to 476,862.31, 715,023.84 and 156,927.73 is: 235,302.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,862.31 : 715,023.84 = 156,927.73 : x
  2. Step 2: Convert to fraction form
    476,862.31/715,023.84 = 156,927.73/x
  3. Step 3: Cross multiply
    476,862.31x = 715,023.84 × 156,927.73
  4. Step 4: Simplify right side
    476,862.31x = 112,207,067,578.34
  5. Step 5: Solve for x
    x = 112,207,067,578.34/476,862.31
  6. Step 6: Final answer
    x = 235,302.87

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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.