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Finding the Fourth Proportional to 865.97, 1,195.00 and 473.00

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Solution

The fourth proportional to 865.97, 1,195.00 and 473.00 is: 652.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    865.97 : 1,195.00 = 473.00 : x
  2. Step 2: Convert to fraction form
    865.97/1,195.00 = 473.00/x
  3. Step 3: Cross multiply
    865.97x = 1,195.00 × 473.00
  4. Step 4: Simplify right side
    865.97x = 565,233.86
  5. Step 5: Solve for x
    x = 565,233.86/865.97
  6. Step 6: Final answer
    x = 652.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.