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Finding the Fourth Proportional to 323,438.77, 446,335.04 and 185,640.38

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Solution

The fourth proportional to 323,438.77, 446,335.04 and 185,640.38 is: 256,177.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,438.77 : 446,335.04 = 185,640.38 : x
  2. Step 2: Convert to fraction form
    323,438.77/446,335.04 = 185,640.38/x
  3. Step 3: Cross multiply
    323,438.77x = 446,335.04 × 185,640.38
  4. Step 4: Simplify right side
    323,438.77x = 82,857,808,012.85
  5. Step 5: Solve for x
    x = 82,857,808,012.85/323,438.77
  6. Step 6: Final answer
    x = 256,177.73

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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.