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Finding the Fourth Proportional to 426.93, 589.16 and 240.41

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Solution

The fourth proportional to 426.93, 589.16 and 240.41 is: 331.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    426.93 : 589.16 = 240.41 : x
  2. Step 2: Convert to fraction form
    426.93/589.16 = 240.41/x
  3. Step 3: Cross multiply
    426.93x = 589.16 × 240.41
  4. Step 4: Simplify right side
    426.93x = 141,635.81
  5. Step 5: Solve for x
    x = 141,635.81/426.93
  6. Step 6: Final answer
    x = 331.75

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.