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Finding the Fourth Proportional to 444,422.64, 666,716.91 and 178,203.99

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Solution

The fourth proportional to 444,422.64, 666,716.91 and 178,203.99 is: 267,339.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,422.64 : 666,716.91 = 178,203.99 : x
  2. Step 2: Convert to fraction form
    444,422.64/666,716.91 = 178,203.99/x
  3. Step 3: Cross multiply
    444,422.64x = 666,716.91 × 178,203.99
  4. Step 4: Simplify right side
    444,422.64x = 118,811,613,562.47
  5. Step 5: Solve for x
    x = 118,811,613,562.47/444,422.64
  6. Step 6: Final answer
    x = 267,339.25

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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.