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Finding the Fourth Proportional to 322,192.40, 482,705.40 and 275,536.40

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Solution

The fourth proportional to 322,192.40, 482,705.40 and 275,536.40 is: 412,805.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,192.40 : 482,705.40 = 275,536.40 : x
  2. Step 2: Convert to fraction form
    322,192.40/482,705.40 = 275,536.40/x
  3. Step 3: Cross multiply
    322,192.40x = 482,705.40 × 275,536.40
  4. Step 4: Simplify right side
    322,192.40x = 133,002,908,176.56
  5. Step 5: Solve for x
    x = 133,002,908,176.56/322,192.40
  6. Step 6: Final answer
    x = 412,805.85

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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.