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Finding the Fourth Proportional to 410.28, 566 and 262.76

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Solution

The fourth proportional to 410.28, 566 and 262.76 is: 362.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    410.28 : 566 = 262.76 : x
  2. Step 2: Convert to fraction form
    410.28/566 = 262.76/x
  3. Step 3: Cross multiply
    410.28x = 566 × 262.76
  4. Step 4: Simplify right side
    410.28x = 148,722.16
  5. Step 5: Solve for x
    x = 148,722.16/410.28
  6. Step 6: Final answer
    x = 362.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.