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Finding the Fourth Proportional to 844.97, 1,165.76 and 471.86

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Solution

The fourth proportional to 844.97, 1,165.76 and 471.86 is: 651.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    844.97 : 1,165.76 = 471.86 : x
  2. Step 2: Convert to fraction form
    844.97/1,165.76 = 471.86/x
  3. Step 3: Cross multiply
    844.97x = 1,165.76 × 471.86
  4. Step 4: Simplify right side
    844.97x = 550,073.47
  5. Step 5: Solve for x
    x = 550,073.47/844.97
  6. Step 6: Final answer
    x = 651.00

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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.