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Finding the Fourth Proportional to 232,323.48, 320,704.65 and 156,974.04

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Solution

The fourth proportional to 232,323.48, 320,704.65 and 156,974.04 is: 216,690.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,323.48 : 320,704.65 = 156,974.04 : x
  2. Step 2: Convert to fraction form
    232,323.48/320,704.65 = 156,974.04/x
  3. Step 3: Cross multiply
    232,323.48x = 320,704.65 × 156,974.04
  4. Step 4: Simplify right side
    232,323.48x = 50,342,304,557.29
  5. Step 5: Solve for x
    x = 50,342,304,557.29/232,323.48
  6. Step 6: Final answer
    x = 216,690.56

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1.5x scale

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.