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Finding the Fourth Proportional to 609,398.28, 840,968.88 and 337,465.85

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Solution

The fourth proportional to 609,398.28, 840,968.88 and 337,465.85 is: 465,702.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,398.28 : 840,968.88 = 337,465.85 : x
  2. Step 2: Convert to fraction form
    609,398.28/840,968.88 = 337,465.85/x
  3. Step 3: Cross multiply
    609,398.28x = 840,968.88 × 337,465.85
  4. Step 4: Simplify right side
    609,398.28x = 283,798,272,442.41
  5. Step 5: Solve for x
    x = 283,798,272,442.41/609,398.28
  6. Step 6: Final answer
    x = 465,702.45

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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.