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Finding the Fourth Proportional to 658,452.24, 987,671.16 and 159,816.24

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Solution

The fourth proportional to 658,452.24, 987,671.16 and 159,816.24 is: 239,722.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,452.24 : 987,671.16 = 159,816.24 : x
  2. Step 2: Convert to fraction form
    658,452.24/987,671.16 = 159,816.24/x
  3. Step 3: Cross multiply
    658,452.24x = 987,671.16 × 159,816.24
  4. Step 4: Simplify right side
    658,452.24x = 157,845,891,147.64
  5. Step 5: Solve for x
    x = 157,845,891,147.64/658,452.24
  6. Step 6: Final answer
    x = 239,722.61

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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.