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Finding the Fourth Proportional to 567.62, 851.02 and 274.80

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Solution

The fourth proportional to 567.62, 851.02 and 274.80 is: 412.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.62 : 851.02 = 274.80 : x
  2. Step 2: Convert to fraction form
    567.62/851.02 = 274.80/x
  3. Step 3: Cross multiply
    567.62x = 851.02 × 274.80
  4. Step 4: Simplify right side
    567.62x = 233,859.61
  5. Step 5: Solve for x
    x = 233,859.61/567.62
  6. Step 6: Final answer
    x = 412.00

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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.