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Finding the Fourth Proportional to 694.54, 1,041.46 and 232.16

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Solution

The fourth proportional to 694.54, 1,041.46 and 232.16 is: 348.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    694.54 : 1,041.46 = 232.16 : x
  2. Step 2: Convert to fraction form
    694.54/1,041.46 = 232.16/x
  3. Step 3: Cross multiply
    694.54x = 1,041.46 × 232.16
  4. Step 4: Simplify right side
    694.54x = 241,779.57
  5. Step 5: Solve for x
    x = 241,779.57/694.54
  6. Step 6: Final answer
    x = 348.12

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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.