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Finding the Fourth Proportional to 393,352.38, 541,514.16 and 375,276.24

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Solution

The fourth proportional to 393,352.38, 541,514.16 and 375,276.24 is: 516,629.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,352.38 : 541,514.16 = 375,276.24 : x
  2. Step 2: Convert to fraction form
    393,352.38/541,514.16 = 375,276.24/x
  3. Step 3: Cross multiply
    393,352.38x = 541,514.16 × 375,276.24
  4. Step 4: Simplify right side
    393,352.38x = 203,217,397,871.56
  5. Step 5: Solve for x
    x = 203,217,397,871.56/393,352.38
  6. Step 6: Final answer
    x = 516,629.38

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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.