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Finding the Fourth Proportional to 441,390.49, 662,091.88 and 125,847.40

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Solution

The fourth proportional to 441,390.49, 662,091.88 and 125,847.40 is: 188,772.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,390.49 : 662,091.88 = 125,847.40 : x
  2. Step 2: Convert to fraction form
    441,390.49/662,091.88 = 125,847.40/x
  3. Step 3: Cross multiply
    441,390.49x = 662,091.88 × 125,847.40
  4. Step 4: Simplify right side
    441,390.49x = 83,322,538,348.65
  5. Step 5: Solve for x
    x = 83,322,538,348.65/441,390.49
  6. Step 6: Final answer
    x = 188,772.85

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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.