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Finding the Fourth Proportional to 561,724.57, 842,799.63 and 337,241.78

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Solution

The fourth proportional to 561,724.57, 842,799.63 and 337,241.78 is: 505,990.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,724.57 : 842,799.63 = 337,241.78 : x
  2. Step 2: Convert to fraction form
    561,724.57/842,799.63 = 337,241.78/x
  3. Step 3: Cross multiply
    561,724.57x = 842,799.63 × 337,241.78
  4. Step 4: Simplify right side
    561,724.57x = 284,227,247,615.70
  5. Step 5: Solve for x
    x = 284,227,247,615.70/561,724.57
  6. Step 6: Final answer
    x = 505,990.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.