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Finding the Fourth Proportional to 441,419.85, 662,125.08 and 292,327.20

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Solution

The fourth proportional to 441,419.85, 662,125.08 and 292,327.20 is: 438,487.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,419.85 : 662,125.08 = 292,327.20 : x
  2. Step 2: Convert to fraction form
    441,419.85/662,125.08 = 292,327.20/x
  3. Step 3: Cross multiply
    441,419.85x = 662,125.08 × 292,327.20
  4. Step 4: Simplify right side
    441,419.85x = 193,557,170,686.18
  5. Step 5: Solve for x
    x = 193,557,170,686.18/441,419.85
  6. Step 6: Final answer
    x = 438,487.69

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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.