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Finding the Fourth Proportional to 609,336.69, 840,874.38 and 337,398.75

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Solution

The fourth proportional to 609,336.69, 840,874.38 and 337,398.75 is: 465,604.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,336.69 : 840,874.38 = 337,398.75 : x
  2. Step 2: Convert to fraction form
    609,336.69/840,874.38 = 337,398.75/x
  3. Step 3: Cross multiply
    609,336.69x = 840,874.38 × 337,398.75
  4. Step 4: Simplify right side
    609,336.69x = 283,709,964,719.03
  5. Step 5: Solve for x
    x = 283,709,964,719.03/609,336.69
  6. Step 6: Final answer
    x = 465,604.60

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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.