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Finding the Fourth Proportional to 542,523.99, 748,562.13 and 324,698.79

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Solution

The fourth proportional to 542,523.99, 748,562.13 and 324,698.79 is: 448,011.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,523.99 : 748,562.13 = 324,698.79 : x
  2. Step 2: Convert to fraction form
    542,523.99/748,562.13 = 324,698.79/x
  3. Step 3: Cross multiply
    542,523.99x = 748,562.13 × 324,698.79
  4. Step 4: Simplify right side
    542,523.99x = 243,057,217,850.82
  5. Step 5: Solve for x
    x = 243,057,217,850.82/542,523.99
  6. Step 6: Final answer
    x = 448,011.93

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Similar ratio
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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.