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Finding the Fourth Proportional to 265.32, 397.44 and 174.06

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Solution

The fourth proportional to 265.32, 397.44 and 174.06 is: 260.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.32 : 397.44 = 174.06 : x
  2. Step 2: Convert to fraction form
    265.32/397.44 = 174.06/x
  3. Step 3: Cross multiply
    265.32x = 397.44 × 174.06
  4. Step 4: Simplify right side
    265.32x = 69,178.41
  5. Step 5: Solve for x
    x = 69,178.41/265.32
  6. Step 6: Final answer
    x = 260.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.