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Finding the Fourth Proportional to 542,414.88, 748,883.88 and 348,909.12

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Solution

The fourth proportional to 542,414.88, 748,883.88 and 348,909.12 is: 481,720.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,414.88 : 748,883.88 = 348,909.12 : x
  2. Step 2: Convert to fraction form
    542,414.88/748,883.88 = 348,909.12/x
  3. Step 3: Cross multiply
    542,414.88x = 748,883.88 × 348,909.12
  4. Step 4: Simplify right side
    542,414.88x = 261,292,415,552.99
  5. Step 5: Solve for x
    x = 261,292,415,552.99/542,414.88
  6. Step 6: Final answer
    x = 481,720.59

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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.