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Finding the Fourth Proportional to 623.52, 934.92 and 238.68

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Solution

The fourth proportional to 623.52, 934.92 and 238.68 is: 357.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    623.52 : 934.92 = 238.68 : x
  2. Step 2: Convert to fraction form
    623.52/934.92 = 238.68/x
  3. Step 3: Cross multiply
    623.52x = 934.92 × 238.68
  4. Step 4: Simplify right side
    623.52x = 223,146.71
  5. Step 5: Solve for x
    x = 223,146.71/623.52
  6. Step 6: Final answer
    x = 357.88

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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.