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Finding the Fourth Proportional to 465,445.85, 698,168.78 and 329,633.15

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Solution

The fourth proportional to 465,445.85, 698,168.78 and 329,633.15 is: 494,449.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,445.85 : 698,168.78 = 329,633.15 : x
  2. Step 2: Convert to fraction form
    465,445.85/698,168.78 = 329,633.15/x
  3. Step 3: Cross multiply
    465,445.85x = 698,168.78 × 329,633.15
  4. Step 4: Simplify right side
    465,445.85x = 230,139,572,534.89
  5. Step 5: Solve for x
    x = 230,139,572,534.89/465,445.85
  6. Step 6: Final answer
    x = 494,449.73

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Similar ratio
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1.5x scale

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.