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Finding the Fourth Proportional to 700.92, 1,051.29 and 238.68

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Solution

The fourth proportional to 700.92, 1,051.29 and 238.68 is: 357.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.92 : 1,051.29 = 238.68 : x
  2. Step 2: Convert to fraction form
    700.92/1,051.29 = 238.68/x
  3. Step 3: Cross multiply
    700.92x = 1,051.29 × 238.68
  4. Step 4: Simplify right side
    700.92x = 250,921.90
  5. Step 5: Solve for x
    x = 250,921.90/700.92
  6. Step 6: Final answer
    x = 357.99

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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.