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Finding the Fourth Proportional to 322,105.68, 483,354.54 and 203,613.48

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Solution

The fourth proportional to 322,105.68, 483,354.54 and 203,613.48 is: 305,544.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,105.68 : 483,354.54 = 203,613.48 : x
  2. Step 2: Convert to fraction form
    322,105.68/483,354.54 = 203,613.48/x
  3. Step 3: Cross multiply
    322,105.68x = 483,354.54 × 203,613.48
  4. Step 4: Simplify right side
    322,105.68x = 98,417,499,963.20
  5. Step 5: Solve for x
    x = 98,417,499,963.20/322,105.68
  6. Step 6: Final answer
    x = 305,544.13

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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.