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Finding the Fourth Proportional to 334.20, 461.10 and 260.52

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Solution

The fourth proportional to 334.20, 461.10 and 260.52 is: 359.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.20 : 461.10 = 260.52 : x
  2. Step 2: Convert to fraction form
    334.20/461.10 = 260.52/x
  3. Step 3: Cross multiply
    334.20x = 461.10 × 260.52
  4. Step 4: Simplify right side
    334.20x = 120,125.77
  5. Step 5: Solve for x
    x = 120,125.77/334.20
  6. Step 6: Final answer
    x = 359.44

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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.