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Finding the Fourth Proportional to 614,487.62, 921,531.96 and 235,388.18

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Solution

The fourth proportional to 614,487.62, 921,531.96 and 235,388.18 is: 353,005.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,487.62 : 921,531.96 = 235,388.18 : x
  2. Step 2: Convert to fraction form
    614,487.62/921,531.96 = 235,388.18/x
  3. Step 3: Cross multiply
    614,487.62x = 921,531.96 × 235,388.18
  4. Step 4: Simplify right side
    614,487.62x = 216,917,726,268.57
  5. Step 5: Solve for x
    x = 216,917,726,268.57/614,487.62
  6. Step 6: Final answer
    x = 353,005.86

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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.