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Finding the Fourth Proportional to 491,568.63, 737,352.60 and 136,582.49

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Solution

The fourth proportional to 491,568.63, 737,352.60 and 136,582.49 is: 204,873.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,568.63 : 737,352.60 = 136,582.49 : x
  2. Step 2: Convert to fraction form
    491,568.63/737,352.60 = 136,582.49/x
  3. Step 3: Cross multiply
    491,568.63x = 737,352.60 × 136,582.49
  4. Step 4: Simplify right side
    491,568.63x = 100,709,454,115.97
  5. Step 5: Solve for x
    x = 100,709,454,115.97/491,568.63
  6. Step 6: Final answer
    x = 204,873.64

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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.