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Finding the Fourth Proportional to 527,006.31, 790,531.34 and 153,029.31

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Solution

The fourth proportional to 527,006.31, 790,531.34 and 153,029.31 is: 229,550.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,006.31 : 790,531.34 = 153,029.31 : x
  2. Step 2: Convert to fraction form
    527,006.31/790,531.34 = 153,029.31/x
  3. Step 3: Cross multiply
    527,006.31x = 790,531.34 × 153,029.31
  4. Step 4: Simplify right side
    527,006.31x = 120,974,465,493.58
  5. Step 5: Solve for x
    x = 120,974,465,493.58/527,006.31
  6. Step 6: Final answer
    x = 229,550.32

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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.