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Finding the Fourth Proportional to 844.14, 1,164.63 and 512.46

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Solution

The fourth proportional to 844.14, 1,164.63 and 512.46 is: 707.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    844.14 : 1,164.63 = 512.46 : x
  2. Step 2: Convert to fraction form
    844.14/1,164.63 = 512.46/x
  3. Step 3: Cross multiply
    844.14x = 1,164.63 × 512.46
  4. Step 4: Simplify right side
    844.14x = 596,826.29
  5. Step 5: Solve for x
    x = 596,826.29/844.14
  6. Step 6: Final answer
    x = 707.02

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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.