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Finding the Fourth Proportional to 466.06, 698.60 and 260.86

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Solution

The fourth proportional to 466.06, 698.60 and 260.86 is: 391.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.06 : 698.60 = 260.86 : x
  2. Step 2: Convert to fraction form
    466.06/698.60 = 260.86/x
  3. Step 3: Cross multiply
    466.06x = 698.60 × 260.86
  4. Step 4: Simplify right side
    466.06x = 182,236.80
  5. Step 5: Solve for x
    x = 182,236.80/466.06
  6. Step 6: Final answer
    x = 391.02

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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.