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Finding the Fourth Proportional to 567.49, 851.52 and 242.95

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Solution

The fourth proportional to 567.49, 851.52 and 242.95 is: 364.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.49 : 851.52 = 242.95 : x
  2. Step 2: Convert to fraction form
    567.49/851.52 = 242.95/x
  3. Step 3: Cross multiply
    567.49x = 851.52 × 242.95
  4. Step 4: Simplify right side
    567.49x = 206,876.78
  5. Step 5: Solve for x
    x = 206,876.78/567.49
  6. Step 6: Final answer
    x = 364.55

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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.