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Finding the Fourth Proportional to 375,063.66, 517,507.92 and 222,149.70

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Solution

The fourth proportional to 375,063.66, 517,507.92 and 222,149.70 is: 306,519.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,063.66 : 517,507.92 = 222,149.70 : x
  2. Step 2: Convert to fraction form
    375,063.66/517,507.92 = 222,149.70/x
  3. Step 3: Cross multiply
    375,063.66x = 517,507.92 × 222,149.70
  4. Step 4: Simplify right side
    375,063.66x = 114,964,229,175.62
  5. Step 5: Solve for x
    x = 114,964,229,175.62/375,063.66
  6. Step 6: Final answer
    x = 306,519.24

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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.