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Finding the Fourth Proportional to 542,086.08, 748,149.12 and 327,347.52

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Solution

The fourth proportional to 542,086.08, 748,149.12 and 327,347.52 is: 451,782.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,086.08 : 748,149.12 = 327,347.52 : x
  2. Step 2: Convert to fraction form
    542,086.08/748,149.12 = 327,347.52/x
  3. Step 3: Cross multiply
    542,086.08x = 748,149.12 × 327,347.52
  4. Step 4: Simplify right side
    542,086.08x = 244,904,759,022.18
  5. Step 5: Solve for x
    x = 244,904,759,022.18/542,086.08
  6. Step 6: Final answer
    x = 451,782.05

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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.