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Finding the Fourth Proportional to 375,029.73, 517,707.25 and 239,241.74

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Solution

The fourth proportional to 375,029.73, 517,707.25 and 239,241.74 is: 330,259.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,029.73 : 517,707.25 = 239,241.74 : x
  2. Step 2: Convert to fraction form
    375,029.73/517,707.25 = 239,241.74/x
  3. Step 3: Cross multiply
    375,029.73x = 517,707.25 × 239,241.74
  4. Step 4: Simplify right side
    375,029.73x = 123,857,180,113.97
  5. Step 5: Solve for x
    x = 123,857,180,113.97/375,029.73
  6. Step 6: Final answer
    x = 330,259.63

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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.