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Finding the Fourth Proportional to 361,134.40, 497,846.08 and 253,370.56

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Solution

The fourth proportional to 361,134.40, 497,846.08 and 253,370.56 is: 349,286.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,134.40 : 497,846.08 = 253,370.56 : x
  2. Step 2: Convert to fraction form
    361,134.40/497,846.08 = 253,370.56/x
  3. Step 3: Cross multiply
    361,134.40x = 497,846.08 × 253,370.56
  4. Step 4: Simplify right side
    361,134.40x = 126,139,540,083.41
  5. Step 5: Solve for x
    x = 126,139,540,083.41/361,134.40
  6. Step 6: Final answer
    x = 349,286.97

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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.