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Finding the Fourth Proportional to 491,494.64, 737,340.36 and 154,620.04

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Solution

The fourth proportional to 491,494.64, 737,340.36 and 154,620.04 is: 231,961.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,494.64 : 737,340.36 = 154,620.04 : x
  2. Step 2: Convert to fraction form
    491,494.64/737,340.36 = 154,620.04/x
  3. Step 3: Cross multiply
    491,494.64x = 737,340.36 × 154,620.04
  4. Step 4: Simplify right side
    491,494.64x = 114,007,595,956.81
  5. Step 5: Solve for x
    x = 114,007,595,956.81/491,494.64
  6. Step 6: Final answer
    x = 231,961.02

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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.