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Finding the Fourth Proportional to 773.52, 1,159.46 and 362.32

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Solution

The fourth proportional to 773.52, 1,159.46 and 362.32 is: 543.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    773.52 : 1,159.46 = 362.32 : x
  2. Step 2: Convert to fraction form
    773.52/1,159.46 = 362.32/x
  3. Step 3: Cross multiply
    773.52x = 1,159.46 × 362.32
  4. Step 4: Simplify right side
    773.52x = 420,100.76
  5. Step 5: Solve for x
    x = 420,100.76/773.52
  6. Step 6: Final answer
    x = 543.11

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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.