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Finding the Fourth Proportional to 466.38, 699.45 and 283.14

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Solution

The fourth proportional to 466.38, 699.45 and 283.14 is: 424.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.38 : 699.45 = 283.14 : x
  2. Step 2: Convert to fraction form
    466.38/699.45 = 283.14/x
  3. Step 3: Cross multiply
    466.38x = 699.45 × 283.14
  4. Step 4: Simplify right side
    466.38x = 198,042.27
  5. Step 5: Solve for x
    x = 198,042.27/466.38
  6. Step 6: Final answer
    x = 424.64

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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.