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Finding the Fourth Proportional to 233,909.38, 322,793.49 and 126,479.62

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Solution

The fourth proportional to 233,909.38, 322,793.49 and 126,479.62 is: 174,541.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,909.38 : 322,793.49 = 126,479.62 : x
  2. Step 2: Convert to fraction form
    233,909.38/322,793.49 = 126,479.62/x
  3. Step 3: Cross multiply
    233,909.38x = 322,793.49 × 126,479.62
  4. Step 4: Simplify right side
    233,909.38x = 40,826,797,953.67
  5. Step 5: Solve for x
    x = 40,826,797,953.67/233,909.38
  6. Step 6: Final answer
    x = 174,541.09

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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.