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Finding the Fourth Proportional to 410.87, 567 and 245.23

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Solution

The fourth proportional to 410.87, 567 and 245.23 is: 338.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    410.87 : 567 = 245.23 : x
  2. Step 2: Convert to fraction form
    410.87/567 = 245.23/x
  3. Step 3: Cross multiply
    410.87x = 567 × 245.23
  4. Step 4: Simplify right side
    410.87x = 139,043.99
  5. Step 5: Solve for x
    x = 139,043.99/410.87
  6. Step 6: Final answer
    x = 338.41

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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.