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Finding the Fourth Proportional to 264,882.40, 397,335.84 and 87,404.92

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Solution

The fourth proportional to 264,882.40, 397,335.84 and 87,404.92 is: 131,111.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,882.40 : 397,335.84 = 87,404.92 : x
  2. Step 2: Convert to fraction form
    264,882.40/397,335.84 = 87,404.92/x
  3. Step 3: Cross multiply
    264,882.40x = 397,335.84 × 87,404.92
  4. Step 4: Simplify right side
    264,882.40x = 34,729,107,308.33
  5. Step 5: Solve for x
    x = 34,729,107,308.33/264,882.40
  6. Step 6: Final answer
    x = 131,111.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.