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Finding the Fourth Proportional to 466.29, 699.48 and 260.91

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Solution

The fourth proportional to 466.29, 699.48 and 260.91 is: 391.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.29 : 699.48 = 260.91 : x
  2. Step 2: Convert to fraction form
    466.29/699.48 = 260.91/x
  3. Step 3: Cross multiply
    466.29x = 699.48 × 260.91
  4. Step 4: Simplify right side
    466.29x = 182,501.33
  5. Step 5: Solve for x
    x = 182,501.33/466.29
  6. Step 6: Final answer
    x = 391.39

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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.