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Finding the Fourth Proportional to 946.12, 1,305.38 and 532.04

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Solution

The fourth proportional to 946.12, 1,305.38 and 532.04 is: 734.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    946.12 : 1,305.38 = 532.04 : x
  2. Step 2: Convert to fraction form
    946.12/1,305.38 = 532.04/x
  3. Step 3: Cross multiply
    946.12x = 1,305.38 × 532.04
  4. Step 4: Simplify right side
    946.12x = 694,514.38
  5. Step 5: Solve for x
    x = 694,514.38/946.12
  6. Step 6: Final answer
    x = 734.07

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Why These Related Problems?

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