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Finding the Fourth Proportional to 404,432.46, 558,118.59 and 223,144.30

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Solution

The fourth proportional to 404,432.46, 558,118.59 and 223,144.30 is: 307,940.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,432.46 : 558,118.59 = 223,144.30 : x
  2. Step 2: Convert to fraction form
    404,432.46/558,118.59 = 223,144.30/x
  3. Step 3: Cross multiply
    404,432.46x = 558,118.59 × 223,144.30
  4. Step 4: Simplify right side
    404,432.46x = 124,540,981,943.39
  5. Step 5: Solve for x
    x = 124,540,981,943.39/404,432.46
  6. Step 6: Final answer
    x = 307,940.12

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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.