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Finding the Fourth Proportional to 444,774.12, 667,202.18 and 145,256.26

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Solution

The fourth proportional to 444,774.12, 667,202.18 and 145,256.26 is: 217,897.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,774.12 : 667,202.18 = 145,256.26 : x
  2. Step 2: Convert to fraction form
    444,774.12/667,202.18 = 145,256.26/x
  3. Step 3: Cross multiply
    444,774.12x = 667,202.18 × 145,256.26
  4. Step 4: Simplify right side
    444,774.12x = 96,915,293,330.65
  5. Step 5: Solve for x
    x = 96,915,293,330.65/444,774.12
  6. Step 6: Final answer
    x = 217,897.78

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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.