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Finding the Fourth Proportional to 383.52, 529.07 and 235.92

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Solution

The fourth proportional to 383.52, 529.07 and 235.92 is: 325.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    383.52 : 529.07 = 235.92 : x
  2. Step 2: Convert to fraction form
    383.52/529.07 = 235.92/x
  3. Step 3: Cross multiply
    383.52x = 529.07 × 235.92
  4. Step 4: Simplify right side
    383.52x = 124,817.01
  5. Step 5: Solve for x
    x = 124,817.01/383.52
  6. Step 6: Final answer
    x = 325.45

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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.