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Finding the Fourth Proportional to 609,335.67, 840,872.96 and 337,397.72

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Solution

The fourth proportional to 609,335.67, 840,872.96 and 337,397.72 is: 465,603.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,335.67 : 840,872.96 = 337,397.72 : x
  2. Step 2: Convert to fraction form
    609,335.67/840,872.96 = 337,397.72/x
  3. Step 3: Cross multiply
    609,335.67x = 840,872.96 × 337,397.72
  4. Step 4: Simplify right side
    609,335.67x = 283,708,614,887.54
  5. Step 5: Solve for x
    x = 283,708,614,887.54/609,335.67
  6. Step 6: Final answer
    x = 465,603.16

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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.