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Finding the Fourth Proportional to 608,987.96, 840,397.14 and 337,056.38

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Solution

The fourth proportional to 608,987.96, 840,397.14 and 337,056.38 is: 465,134.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,987.96 : 840,397.14 = 337,056.38 : x
  2. Step 2: Convert to fraction form
    608,987.96/840,397.14 = 337,056.38/x
  3. Step 3: Cross multiply
    608,987.96x = 840,397.14 × 337,056.38
  4. Step 4: Simplify right side
    608,987.96x = 283,261,217,770.75
  5. Step 5: Solve for x
    x = 283,261,217,770.75/608,987.96
  6. Step 6: Final answer
    x = 465,134.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.