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Finding the Fourth Proportional to 466.16, 698.68 and 209.52

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Solution

The fourth proportional to 466.16, 698.68 and 209.52 is: 314.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.16 : 698.68 = 209.52 : x
  2. Step 2: Convert to fraction form
    466.16/698.68 = 209.52/x
  3. Step 3: Cross multiply
    466.16x = 698.68 × 209.52
  4. Step 4: Simplify right side
    466.16x = 146,387.43
  5. Step 5: Solve for x
    x = 146,387.43/466.16
  6. Step 6: Final answer
    x = 314.03

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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.