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Finding the Fourth Proportional to 375,599.50, 518,327.77 and 203,517.33

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Solution

The fourth proportional to 375,599.50, 518,327.77 and 203,517.33 is: 280,854.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,599.50 : 518,327.77 = 203,517.33 : x
  2. Step 2: Convert to fraction form
    375,599.50/518,327.77 = 203,517.33/x
  3. Step 3: Cross multiply
    375,599.50x = 518,327.77 × 203,517.33
  4. Step 4: Simplify right side
    375,599.50x = 105,488,683,306.46
  5. Step 5: Solve for x
    x = 105,488,683,306.46/375,599.50
  6. Step 6: Final answer
    x = 280,854.17

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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.