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Finding the Fourth Proportional to 392,241.52, 541,407.56 and 256,296.16

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Solution

The fourth proportional to 392,241.52, 541,407.56 and 256,296.16 is: 353,763.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,241.52 : 541,407.56 = 256,296.16 : x
  2. Step 2: Convert to fraction form
    392,241.52/541,407.56 = 256,296.16/x
  3. Step 3: Cross multiply
    392,241.52x = 541,407.56 × 256,296.16
  4. Step 4: Simplify right side
    392,241.52x = 138,760,678,622.97
  5. Step 5: Solve for x
    x = 138,760,678,622.97/392,241.52
  6. Step 6: Final answer
    x = 353,763.36

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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.