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Finding the Fourth Proportional to 541,458.72, 746,728.20 and 350,272.80

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Solution

The fourth proportional to 541,458.72, 746,728.20 and 350,272.80 is: 483,062.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,458.72 : 746,728.20 = 350,272.80 : x
  2. Step 2: Convert to fraction form
    541,458.72/746,728.20 = 350,272.80/x
  3. Step 3: Cross multiply
    541,458.72x = 746,728.20 × 350,272.80
  4. Step 4: Simplify right side
    541,458.72x = 261,558,577,452.96
  5. Step 5: Solve for x
    x = 261,558,577,452.96/541,458.72
  6. Step 6: Final answer
    x = 483,062.82

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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.