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Finding the Fourth Proportional to 488,391.10, 732,550.20 and 204,008.20

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Solution

The fourth proportional to 488,391.10, 732,550.20 and 204,008.20 is: 305,997.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,391.10 : 732,550.20 = 204,008.20 : x
  2. Step 2: Convert to fraction form
    488,391.10/732,550.20 = 204,008.20/x
  3. Step 3: Cross multiply
    488,391.10x = 732,550.20 × 204,008.20
  4. Step 4: Simplify right side
    488,391.10x = 149,446,247,711.64
  5. Step 5: Solve for x
    x = 149,446,247,711.64/488,391.10
  6. Step 6: Final answer
    x = 305,997.07

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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.