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Finding the Fourth Proportional to 322,363.80, 444,835.80 and 201,422.70

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Solution

The fourth proportional to 322,363.80, 444,835.80 and 201,422.70 is: 277,946.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,363.80 : 444,835.80 = 201,422.70 : x
  2. Step 2: Convert to fraction form
    322,363.80/444,835.80 = 201,422.70/x
  3. Step 3: Cross multiply
    322,363.80x = 444,835.80 × 201,422.70
  4. Step 4: Simplify right side
    322,363.80x = 89,600,027,892.66
  5. Step 5: Solve for x
    x = 89,600,027,892.66/322,363.80
  6. Step 6: Final answer
    x = 277,946.93

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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.