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Finding the Fourth Proportional to 466.55, 699.89 and 223.02

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Solution

The fourth proportional to 466.55, 699.89 and 223.02 is: 334.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.55 : 699.89 = 223.02 : x
  2. Step 2: Convert to fraction form
    466.55/699.89 = 223.02/x
  3. Step 3: Cross multiply
    466.55x = 699.89 × 223.02
  4. Step 4: Simplify right side
    466.55x = 156,088.35
  5. Step 5: Solve for x
    x = 156,088.35/466.55
  6. Step 6: Final answer
    x = 334.56

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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.