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Finding the Fourth Proportional to 898.68, 1,348.86 and 466.14

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Solution

The fourth proportional to 898.68, 1,348.86 and 466.14 is: 699.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    898.68 : 1,348.86 = 466.14 : x
  2. Step 2: Convert to fraction form
    898.68/1,348.86 = 466.14/x
  3. Step 3: Cross multiply
    898.68x = 1,348.86 × 466.14
  4. Step 4: Simplify right side
    898.68x = 628,757.60
  5. Step 5: Solve for x
    x = 628,757.60/898.68
  6. Step 6: Final answer
    x = 699.65

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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.