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Finding the Fourth Proportional to 608,092.40, 912,138.60 and 271,132.40

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Solution

The fourth proportional to 608,092.40, 912,138.60 and 271,132.40 is: 406,698.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,092.40 : 912,138.60 = 271,132.40 : x
  2. Step 2: Convert to fraction form
    608,092.40/912,138.60 = 271,132.40/x
  3. Step 3: Cross multiply
    608,092.40x = 912,138.60 × 271,132.40
  4. Step 4: Simplify right side
    608,092.40x = 247,310,327,750.64
  5. Step 5: Solve for x
    x = 247,310,327,750.64/608,092.40
  6. Step 6: Final answer
    x = 406,698.60

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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.