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Finding the Fourth Proportional to 466.64, 699.97 and 142

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Solution

The fourth proportional to 466.64, 699.97 and 142 is: 213.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.64 : 699.97 = 142 : x
  2. Step 2: Convert to fraction form
    466.64/699.97 = 142/x
  3. Step 3: Cross multiply
    466.64x = 699.97 × 142
  4. Step 4: Simplify right side
    466.64x = 99,395.03
  5. Step 5: Solve for x
    x = 99,395.03/466.64
  6. Step 6: Final answer
    x = 213.00

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.