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Finding the Fourth Proportional to 773.52, 1,160.94 and 362.88

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Solution

The fourth proportional to 773.52, 1,160.94 and 362.88 is: 544.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    773.52 : 1,160.94 = 362.88 : x
  2. Step 2: Convert to fraction form
    773.52/1,160.94 = 362.88/x
  3. Step 3: Cross multiply
    773.52x = 1,160.94 × 362.88
  4. Step 4: Simplify right side
    773.52x = 421,281.91
  5. Step 5: Solve for x
    x = 421,281.91/773.52
  6. Step 6: Final answer
    x = 544.63

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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.