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Finding the Fourth Proportional to 392,046.01, 541,130.24 and 230,953.41

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Solution

The fourth proportional to 392,046.01, 541,130.24 and 230,953.41 is: 318,778.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,046.01 : 541,130.24 = 230,953.41 : x
  2. Step 2: Convert to fraction form
    392,046.01/541,130.24 = 230,953.41/x
  3. Step 3: Cross multiply
    392,046.01x = 541,130.24 × 230,953.41
  4. Step 4: Simplify right side
    392,046.01x = 124,975,874,759.50
  5. Step 5: Solve for x
    x = 124,975,874,759.50/392,046.01
  6. Step 6: Final answer
    x = 318,778.59

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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.