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Finding the Fourth Proportional to 773.54, 1,159.60 and 567.83

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Solution

The fourth proportional to 773.54, 1,159.60 and 567.83 is: 851.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    773.54 : 1,159.60 = 567.83 : x
  2. Step 2: Convert to fraction form
    773.54/1,159.60 = 567.83/x
  3. Step 3: Cross multiply
    773.54x = 1,159.60 × 567.83
  4. Step 4: Simplify right side
    773.54x = 658,455.67
  5. Step 5: Solve for x
    x = 658,455.67/773.54
  6. Step 6: Final answer
    x = 851.22

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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.