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Finding the Fourth Proportional to 265, 395.44 and 240.76

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Solution

The fourth proportional to 265, 395.44 and 240.76 is: 359.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    265 : 395.44 = 240.76 : x
  2. Step 2: Convert to fraction form
    265/395.44 = 240.76/x
  3. Step 3: Cross multiply
    265x = 395.44 × 240.76
  4. Step 4: Simplify right side
    265x = 95,206.13
  5. Step 5: Solve for x
    x = 95,206.13/265
  6. Step 6: Final answer
    x = 359.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.