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Finding the Fourth Proportional to 463,174.56, 639,180.84 and 251,206.56

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Solution

The fourth proportional to 463,174.56, 639,180.84 and 251,206.56 is: 346,665.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,174.56 : 639,180.84 = 251,206.56 : x
  2. Step 2: Convert to fraction form
    463,174.56/639,180.84 = 251,206.56/x
  3. Step 3: Cross multiply
    463,174.56x = 639,180.84 × 251,206.56
  4. Step 4: Simplify right side
    463,174.56x = 160,566,420,034.31
  5. Step 5: Solve for x
    x = 160,566,420,034.31/463,174.56
  6. Step 6: Final answer
    x = 346,665.02

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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.