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Finding the Fourth Proportional to 567.60, 851.52 and 311.04

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Solution

The fourth proportional to 567.60, 851.52 and 311.04 is: 466.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.60 : 851.52 = 311.04 : x
  2. Step 2: Convert to fraction form
    567.60/851.52 = 311.04/x
  3. Step 3: Cross multiply
    567.60x = 851.52 × 311.04
  4. Step 4: Simplify right side
    567.60x = 264,856.78
  5. Step 5: Solve for x
    x = 264,856.78/567.60
  6. Step 6: Final answer
    x = 466.63

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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.