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Finding the Fourth Proportional to 265.57, 366.61 and 177.19

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Solution

The fourth proportional to 265.57, 366.61 and 177.19 is: 244.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.57 : 366.61 = 177.19 : x
  2. Step 2: Convert to fraction form
    265.57/366.61 = 177.19/x
  3. Step 3: Cross multiply
    265.57x = 366.61 × 177.19
  4. Step 4: Simplify right side
    265.57x = 64,959.63
  5. Step 5: Solve for x
    x = 64,959.63/265.57
  6. Step 6: Final answer
    x = 244.60

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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.