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Finding the Fourth Proportional to 322,035.20, 482,305.33 and 310,825.45

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Solution

The fourth proportional to 322,035.20, 482,305.33 and 310,825.45 is: 465,516.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,035.20 : 482,305.33 = 310,825.45 : x
  2. Step 2: Convert to fraction form
    322,035.20/482,305.33 = 310,825.45/x
  3. Step 3: Cross multiply
    322,035.20x = 482,305.33 × 310,825.45
  4. Step 4: Simplify right side
    322,035.20x = 149,912,771,234.65
  5. Step 5: Solve for x
    x = 149,912,771,234.65/322,035.20
  6. Step 6: Final answer
    x = 465,516.72

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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.