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Finding the Fourth Proportional to 441,286.64, 662,209.68 and 188,568.88

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Solution

The fourth proportional to 441,286.64, 662,209.68 and 188,568.88 is: 282,972.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,286.64 : 662,209.68 = 188,568.88 : x
  2. Step 2: Convert to fraction form
    441,286.64/662,209.68 = 188,568.88/x
  3. Step 3: Cross multiply
    441,286.64x = 662,209.68 × 188,568.88
  4. Step 4: Simplify right side
    441,286.64x = 124,872,137,682.76
  5. Step 5: Solve for x
    x = 124,872,137,682.76/441,286.64
  6. Step 6: Final answer
    x = 282,972.85

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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.