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Finding the Fourth Proportional to 466.61, 699.91 and 223.08

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Solution

The fourth proportional to 466.61, 699.91 and 223.08 is: 334.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.61 : 699.91 = 223.08 : x
  2. Step 2: Convert to fraction form
    466.61/699.91 = 223.08/x
  3. Step 3: Cross multiply
    466.61x = 699.91 × 223.08
  4. Step 4: Simplify right side
    466.61x = 156,133.37
  5. Step 5: Solve for x
    x = 156,133.37/466.61
  6. Step 6: Final answer
    x = 334.61

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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.