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Finding the Fourth Proportional to 410,111.80, 615,167.70 and 173,375.80

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Solution

The fourth proportional to 410,111.80, 615,167.70 and 173,375.80 is: 260,063.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,111.80 : 615,167.70 = 173,375.80 : x
  2. Step 2: Convert to fraction form
    410,111.80/615,167.70 = 173,375.80/x
  3. Step 3: Cross multiply
    410,111.80x = 615,167.70 × 173,375.80
  4. Step 4: Simplify right side
    410,111.80x = 106,655,192,121.66
  5. Step 5: Solve for x
    x = 106,655,192,121.66/410,111.80
  6. Step 6: Final answer
    x = 260,063.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.