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Finding the Fourth Proportional to 542,042.82, 747,993.89 and 297,026.12

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Solution

The fourth proportional to 542,042.82, 747,993.89 and 297,026.12 is: 409,882.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,042.82 : 747,993.89 = 297,026.12 : x
  2. Step 2: Convert to fraction form
    542,042.82/747,993.89 = 297,026.12/x
  3. Step 3: Cross multiply
    542,042.82x = 747,993.89 × 297,026.12
  4. Step 4: Simplify right side
    542,042.82x = 222,173,725,542.96
  5. Step 5: Solve for x
    x = 222,173,725,542.96/542,042.82
  6. Step 6: Final answer
    x = 409,882.24

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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.