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Finding the Fourth Proportional to 264.79, 362.17 and 260.53

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Solution

The fourth proportional to 264.79, 362.17 and 260.53 is: 356.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.79 : 362.17 = 260.53 : x
  2. Step 2: Convert to fraction form
    264.79/362.17 = 260.53/x
  3. Step 3: Cross multiply
    264.79x = 362.17 × 260.53
  4. Step 4: Simplify right side
    264.79x = 94,357.61
  5. Step 5: Solve for x
    x = 94,357.61/264.79
  6. Step 6: Final answer
    x = 356.35

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.