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Finding the Fourth Proportional to 444,351.42, 666,399.78 and 144,858.15

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Solution

The fourth proportional to 444,351.42, 666,399.78 and 144,858.15 is: 217,245.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,351.42 : 666,399.78 = 144,858.15 : x
  2. Step 2: Convert to fraction form
    444,351.42/666,399.78 = 144,858.15/x
  3. Step 3: Cross multiply
    444,351.42x = 666,399.78 × 144,858.15
  4. Step 4: Simplify right side
    444,351.42x = 96,533,439,291.21
  5. Step 5: Solve for x
    x = 96,533,439,291.21/444,351.42
  6. Step 6: Final answer
    x = 217,245.71

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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.