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Finding the Fourth Proportional to 375,339.48, 517,885.26 and 222,301.32

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Solution

The fourth proportional to 375,339.48, 517,885.26 and 222,301.32 is: 306,726.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,339.48 : 517,885.26 = 222,301.32 : x
  2. Step 2: Convert to fraction form
    375,339.48/517,885.26 = 222,301.32/x
  3. Step 3: Cross multiply
    375,339.48x = 517,885.26 × 222,301.32
  4. Step 4: Simplify right side
    375,339.48x = 115,126,576,906.54
  5. Step 5: Solve for x
    x = 115,126,576,906.54/375,339.48
  6. Step 6: Final answer
    x = 306,726.53

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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.