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Finding the Fourth Proportional to 265.48, 366.08 and 202.84

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Solution

The fourth proportional to 265.48, 366.08 and 202.84 is: 279.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.48 : 366.08 = 202.84 : x
  2. Step 2: Convert to fraction form
    265.48/366.08 = 202.84/x
  3. Step 3: Cross multiply
    265.48x = 366.08 × 202.84
  4. Step 4: Simplify right side
    265.48x = 74,255.67
  5. Step 5: Solve for x
    x = 74,255.67/265.48
  6. Step 6: Final answer
    x = 279.70

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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.