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Finding the Fourth Proportional to 844.14, 1,164.84 and 529.86

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Solution

The fourth proportional to 844.14, 1,164.84 and 529.86 is: 731.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    844.14 : 1,164.84 = 529.86 : x
  2. Step 2: Convert to fraction form
    844.14/1,164.84 = 529.86/x
  3. Step 3: Cross multiply
    844.14x = 1,164.84 × 529.86
  4. Step 4: Simplify right side
    844.14x = 617,202.12
  5. Step 5: Solve for x
    x = 617,202.12/844.14
  6. Step 6: Final answer
    x = 731.16

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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.