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Finding the Fourth Proportional to 658,294.26, 987,479.82 and 185,016.48

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Solution

The fourth proportional to 658,294.26, 987,479.82 and 185,016.48 is: 277,535.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,294.26 : 987,479.82 = 185,016.48 : x
  2. Step 2: Convert to fraction form
    658,294.26/987,479.82 = 185,016.48/x
  3. Step 3: Cross multiply
    658,294.26x = 987,479.82 × 185,016.48
  4. Step 4: Simplify right side
    658,294.26x = 182,700,040,367.43
  5. Step 5: Solve for x
    x = 182,700,040,367.43/658,294.26
  6. Step 6: Final answer
    x = 277,535.52

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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.