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Finding the Fourth Proportional to 441,742.32, 662,691.40 and 161,650.80

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Solution

The fourth proportional to 441,742.32, 662,691.40 and 161,650.80 is: 242,504.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,742.32 : 662,691.40 = 161,650.80 : x
  2. Step 2: Convert to fraction form
    441,742.32/662,691.40 = 161,650.80/x
  3. Step 3: Cross multiply
    441,742.32x = 662,691.40 × 161,650.80
  4. Step 4: Simplify right side
    441,742.32x = 107,124,594,963.12
  5. Step 5: Solve for x
    x = 107,124,594,963.12/441,742.32
  6. Step 6: Final answer
    x = 242,504.71

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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.