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Finding the Fourth Proportional to 466.60, 698.72 and 283.44

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Solution

The fourth proportional to 466.60, 698.72 and 283.44 is: 424.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.60 : 698.72 = 283.44 : x
  2. Step 2: Convert to fraction form
    466.60/698.72 = 283.44/x
  3. Step 3: Cross multiply
    466.60x = 698.72 × 283.44
  4. Step 4: Simplify right side
    466.60x = 198,045.20
  5. Step 5: Solve for x
    x = 198,045.20/466.60
  6. Step 6: Final answer
    x = 424.44

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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.