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Finding the Fourth Proportional to 609,335.70, 840,873.02 and 337,397.74

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Solution

The fourth proportional to 609,335.70, 840,873.02 and 337,397.74 is: 465,603.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,335.70 : 840,873.02 = 337,397.74 : x
  2. Step 2: Convert to fraction form
    609,335.70/840,873.02 = 337,397.74/x
  3. Step 3: Cross multiply
    609,335.70x = 840,873.02 × 337,397.74
  4. Step 4: Simplify right side
    609,335.70x = 283,708,656,574.98
  5. Step 5: Solve for x
    x = 283,708,656,574.98/609,335.70
  6. Step 6: Final answer
    x = 465,603.21

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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.