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Finding the Fourth Proportional to 444,644.61, 666,376.42 and 255,195.73

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Solution

The fourth proportional to 444,644.61, 666,376.42 and 255,195.73 is: 382,454.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,644.61 : 666,376.42 = 255,195.73 : x
  2. Step 2: Convert to fraction form
    444,644.61/666,376.42 = 255,195.73/x
  3. Step 3: Cross multiply
    444,644.61x = 666,376.42 × 255,195.73
  4. Step 4: Simplify right side
    444,644.61x = 170,056,416,956.69
  5. Step 5: Solve for x
    x = 170,056,416,956.69/444,644.61
  6. Step 6: Final answer
    x = 382,454.69

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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.