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Finding the Fourth Proportional to 773.15, 1,160.33 and 568.01

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Solution

The fourth proportional to 773.15, 1,160.33 and 568.01 is: 852.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    773.15 : 1,160.33 = 568.01 : x
  2. Step 2: Convert to fraction form
    773.15/1,160.33 = 568.01/x
  3. Step 3: Cross multiply
    773.15x = 1,160.33 × 568.01
  4. Step 4: Simplify right side
    773.15x = 659,079.10
  5. Step 5: Solve for x
    x = 659,079.10/773.15
  6. Step 6: Final answer
    x = 852.47

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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.