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Finding the Fourth Proportional to 375,250.38, 517,925.91 and 239,253

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Solution

The fourth proportional to 375,250.38, 517,925.91 and 239,253 is: 330,220.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,250.38 : 517,925.91 = 239,253 : x
  2. Step 2: Convert to fraction form
    375,250.38/517,925.91 = 239,253/x
  3. Step 3: Cross multiply
    375,250.38x = 517,925.91 × 239,253
  4. Step 4: Simplify right side
    375,250.38x = 123,915,327,745.23
  5. Step 5: Solve for x
    x = 123,915,327,745.23/375,250.38
  6. Step 6: Final answer
    x = 330,220.39

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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.