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Finding the Fourth Proportional to 567.57, 851.64 and 348.66

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Solution

The fourth proportional to 567.57, 851.64 and 348.66 is: 523.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.57 : 851.64 = 348.66 : x
  2. Step 2: Convert to fraction form
    567.57/851.64 = 348.66/x
  3. Step 3: Cross multiply
    567.57x = 851.64 × 348.66
  4. Step 4: Simplify right side
    567.57x = 296,932.80
  5. Step 5: Solve for x
    x = 296,932.80/567.57
  6. Step 6: Final answer
    x = 523.17

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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.