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Finding the Fourth Proportional to 375,193.49, 517,766.46 and 203,110.61

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Solution

The fourth proportional to 375,193.49, 517,766.46 and 203,110.61 is: 280,292.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,193.49 : 517,766.46 = 203,110.61 : x
  2. Step 2: Convert to fraction form
    375,193.49/517,766.46 = 203,110.61/x
  3. Step 3: Cross multiply
    375,193.49x = 517,766.46 × 203,110.61
  4. Step 4: Simplify right side
    375,193.49x = 105,163,862,232.58
  5. Step 5: Solve for x
    x = 105,163,862,232.58/375,193.49
  6. Step 6: Final answer
    x = 280,292.34

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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.