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Finding the Fourth Proportional to 481,151.88, 663,920.08 and 266,291.43

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Solution

The fourth proportional to 481,151.88, 663,920.08 and 266,291.43 is: 367,443.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,151.88 : 663,920.08 = 266,291.43 : x
  2. Step 2: Convert to fraction form
    481,151.88/663,920.08 = 266,291.43/x
  3. Step 3: Cross multiply
    481,151.88x = 663,920.08 × 266,291.43
  4. Step 4: Simplify right side
    481,151.88x = 176,796,227,508.91
  5. Step 5: Solve for x
    x = 176,796,227,508.91/481,151.88
  6. Step 6: Final answer
    x = 367,443.70

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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.