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Finding the Fourth Proportional to 488,906.10, 733,359.15 and 133,919.55

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Solution

The fourth proportional to 488,906.10, 733,359.15 and 133,919.55 is: 200,879.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,906.10 : 733,359.15 = 133,919.55 : x
  2. Step 2: Convert to fraction form
    488,906.10/733,359.15 = 133,919.55/x
  3. Step 3: Cross multiply
    488,906.10x = 733,359.15 × 133,919.55
  4. Step 4: Simplify right side
    488,906.10x = 98,211,127,356.38
  5. Step 5: Solve for x
    x = 98,211,127,356.38/488,906.10
  6. Step 6: Final answer
    x = 200,879.33

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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.