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Finding the Fourth Proportional to 438,950.52, 658,393.11 and 158,468.04

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Solution

The fourth proportional to 438,950.52, 658,393.11 and 158,468.04 is: 237,690.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,950.52 : 658,393.11 = 158,468.04 : x
  2. Step 2: Convert to fraction form
    438,950.52/658,393.11 = 158,468.04/x
  3. Step 3: Cross multiply
    438,950.52x = 658,393.11 × 158,468.04
  4. Step 4: Simplify right side
    438,950.52x = 104,334,265,691.20
  5. Step 5: Solve for x
    x = 104,334,265,691.20/438,950.52
  6. Step 6: Final answer
    x = 237,690.27

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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.