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Finding the Fourth Proportional to 260,507.52, 392,713.56 and 243,147.24

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Solution

The fourth proportional to 260,507.52, 392,713.56 and 243,147.24 is: 366,543.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,507.52 : 392,713.56 = 243,147.24 : x
  2. Step 2: Convert to fraction form
    260,507.52/392,713.56 = 243,147.24/x
  3. Step 3: Cross multiply
    260,507.52x = 392,713.56 × 243,147.24
  4. Step 4: Simplify right side
    260,507.52x = 95,487,218,224.57
  5. Step 5: Solve for x
    x = 95,487,218,224.57/260,507.52
  6. Step 6: Final answer
    x = 366,543.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.