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Finding the Fourth Proportional to 1,176.62, 1,765.53 and 527.22

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Solution

The fourth proportional to 1,176.62, 1,765.53 and 527.22 is: 791.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176.62 : 1,765.53 = 527.22 : x
  2. Step 2: Convert to fraction form
    1,176.62/1,765.53 = 527.22/x
  3. Step 3: Cross multiply
    1,176.62x = 1,765.53 × 527.22
  4. Step 4: Simplify right side
    1,176.62x = 930,822.73
  5. Step 5: Solve for x
    x = 930,822.73/1,176.62
  6. Step 6: Final answer
    x = 791.10

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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.