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Finding the Fourth Proportional to 773.59, 1,158.29 and 566.59

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Solution

The fourth proportional to 773.59, 1,158.29 and 566.59 is: 848.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    773.59 : 1,158.29 = 566.59 : x
  2. Step 2: Convert to fraction form
    773.59/1,158.29 = 566.59/x
  3. Step 3: Cross multiply
    773.59x = 1,158.29 × 566.59
  4. Step 4: Simplify right side
    773.59x = 656,275.53
  5. Step 5: Solve for x
    x = 656,275.53/773.59
  6. Step 6: Final answer
    x = 848.35

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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.