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Finding the Fourth Proportional to 323,112.64, 484,767.88 and 165,452.72

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Solution

The fourth proportional to 323,112.64, 484,767.88 and 165,452.72 is: 248,229.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,112.64 : 484,767.88 = 165,452.72 : x
  2. Step 2: Convert to fraction form
    323,112.64/484,767.88 = 165,452.72/x
  3. Step 3: Cross multiply
    323,112.64x = 484,767.88 × 165,452.72
  4. Step 4: Simplify right side
    323,112.64x = 80,206,164,314.63
  5. Step 5: Solve for x
    x = 80,206,164,314.63/323,112.64
  6. Step 6: Final answer
    x = 248,229.73

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1.5x scale

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.