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Finding the Fourth Proportional to 481,292.75, 664,220.88 and 274,565.69

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Solution

The fourth proportional to 481,292.75, 664,220.88 and 274,565.69 is: 378,921.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,292.75 : 664,220.88 = 274,565.69 : x
  2. Step 2: Convert to fraction form
    481,292.75/664,220.88 = 274,565.69/x
  3. Step 3: Cross multiply
    481,292.75x = 664,220.88 × 274,565.69
  4. Step 4: Simplify right side
    481,292.75x = 182,372,264,229.61
  5. Step 5: Solve for x
    x = 182,372,264,229.61/481,292.75
  6. Step 6: Final answer
    x = 378,921.69

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Double scale
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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.