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Finding the Fourth Proportional to 444,455.80, 666,165.30 and 178,084.60

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Solution

The fourth proportional to 444,455.80, 666,165.30 and 178,084.60 is: 266,919.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,455.80 : 666,165.30 = 178,084.60 : x
  2. Step 2: Convert to fraction form
    444,455.80/666,165.30 = 178,084.60/x
  3. Step 3: Cross multiply
    444,455.80x = 666,165.30 × 178,084.60
  4. Step 4: Simplify right side
    444,455.80x = 118,633,780,984.38
  5. Step 5: Solve for x
    x = 118,633,780,984.38/444,455.80
  6. Step 6: Final answer
    x = 266,919.19

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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.