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Finding the Fourth Proportional to 438,734.97, 658,102.59 and 158,252.22

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Solution

The fourth proportional to 438,734.97, 658,102.59 and 158,252.22 is: 237,378.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,734.97 : 658,102.59 = 158,252.22 : x
  2. Step 2: Convert to fraction form
    438,734.97/658,102.59 = 158,252.22/x
  3. Step 3: Cross multiply
    438,734.97x = 658,102.59 × 158,252.22
  4. Step 4: Simplify right side
    438,734.97x = 104,146,195,855.25
  5. Step 5: Solve for x
    x = 104,146,195,855.25/438,734.97
  6. Step 6: Final answer
    x = 237,378.38

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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.