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Finding the Fourth Proportional to 633,178.57, 949,687.65 and 177,811.15

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Solution

The fourth proportional to 633,178.57, 949,687.65 and 177,811.15 is: 266,694.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,178.57 : 949,687.65 = 177,811.15 : x
  2. Step 2: Convert to fraction form
    633,178.57/949,687.65 = 177,811.15/x
  3. Step 3: Cross multiply
    633,178.57x = 949,687.65 × 177,811.15
  4. Step 4: Simplify right side
    633,178.57x = 168,865,053,187.30
  5. Step 5: Solve for x
    x = 168,865,053,187.30/633,178.57
  6. Step 6: Final answer
    x = 266,694.20

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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.