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Finding the Fourth Proportional to 527,374.26, 791,098.29 and 261,063.27

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Solution

The fourth proportional to 527,374.26, 791,098.29 and 261,063.27 is: 391,613.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,374.26 : 791,098.29 = 261,063.27 : x
  2. Step 2: Convert to fraction form
    527,374.26/791,098.29 = 261,063.27/x
  3. Step 3: Cross multiply
    527,374.26x = 791,098.29 × 261,063.27
  4. Step 4: Simplify right side
    527,374.26x = 206,526,706,478.81
  5. Step 5: Solve for x
    x = 206,526,706,478.81/527,374.26
  6. Step 6: Final answer
    x = 391,613.17

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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.