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Finding the Fourth Proportional to 441,691.80, 609,488.91 and 248,121.24

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Solution

The fourth proportional to 441,691.80, 609,488.91 and 248,121.24 is: 342,381.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,691.80 : 609,488.91 = 248,121.24 : x
  2. Step 2: Convert to fraction form
    441,691.80/609,488.91 = 248,121.24/x
  3. Step 3: Cross multiply
    441,691.80x = 609,488.91 × 248,121.24
  4. Step 4: Simplify right side
    441,691.80x = 151,227,144,115.45
  5. Step 5: Solve for x
    x = 151,227,144,115.45/441,691.80
  6. Step 6: Final answer
    x = 342,381.60

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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.