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Finding the Fourth Proportional to 539,193.90, 744,082.44 and 297,478.42

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Solution

The fourth proportional to 539,193.90, 744,082.44 and 297,478.42 is: 410,517.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,193.90 : 744,082.44 = 297,478.42 : x
  2. Step 2: Convert to fraction form
    539,193.90/744,082.44 = 297,478.42/x
  3. Step 3: Cross multiply
    539,193.90x = 744,082.44 × 297,478.42
  4. Step 4: Simplify right side
    539,193.90x = 221,348,468,600.95
  5. Step 5: Solve for x
    x = 221,348,468,600.95/539,193.90
  6. Step 6: Final answer
    x = 410,517.38

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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.