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Finding the Fourth Proportional to 468.68, 703.10 and 212.04

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Solution

The fourth proportional to 468.68, 703.10 and 212.04 is: 318.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.68 : 703.10 = 212.04 : x
  2. Step 2: Convert to fraction form
    468.68/703.10 = 212.04/x
  3. Step 3: Cross multiply
    468.68x = 703.10 × 212.04
  4. Step 4: Simplify right side
    468.68x = 149,085.32
  5. Step 5: Solve for x
    x = 149,085.32/468.68
  6. Step 6: Final answer
    x = 318.10

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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.