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Finding the Fourth Proportional to 935.42, 1,403.11 and 232.62

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Solution

The fourth proportional to 935.42, 1,403.11 and 232.62 is: 348.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    935.42 : 1,403.11 = 232.62 : x
  2. Step 2: Convert to fraction form
    935.42/1,403.11 = 232.62/x
  3. Step 3: Cross multiply
    935.42x = 1,403.11 × 232.62
  4. Step 4: Simplify right side
    935.42x = 326,391.45
  5. Step 5: Solve for x
    x = 326,391.45/935.42
  6. Step 6: Final answer
    x = 348.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.