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Finding the Fourth Proportional to 488,807.70, 733,211.55 and 204,449.10

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Solution

The fourth proportional to 488,807.70, 733,211.55 and 204,449.10 is: 306,673.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,807.70 : 733,211.55 = 204,449.10 : x
  2. Step 2: Convert to fraction form
    488,807.70/733,211.55 = 204,449.10/x
  3. Step 3: Cross multiply
    488,807.70x = 733,211.55 × 204,449.10
  4. Step 4: Simplify right side
    488,807.70x = 149,904,441,507.11
  5. Step 5: Solve for x
    x = 149,904,441,507.11/488,807.70
  6. Step 6: Final answer
    x = 306,673.65

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Similar ratio
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1.5x scale

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.