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Finding the Fourth Proportional to 567.88, 851.64 and 242.92

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Solution

The fourth proportional to 567.88, 851.64 and 242.92 is: 364.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.88 : 851.64 = 242.92 : x
  2. Step 2: Convert to fraction form
    567.88/851.64 = 242.92/x
  3. Step 3: Cross multiply
    567.88x = 851.64 × 242.92
  4. Step 4: Simplify right side
    567.88x = 206,880.39
  5. Step 5: Solve for x
    x = 206,880.39/567.88
  6. Step 6: Final answer
    x = 364.30

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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.