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Finding the Fourth Proportional to 444,148.80, 666,223.20 and 267,201.60

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Solution

The fourth proportional to 444,148.80, 666,223.20 and 267,201.60 is: 400,802.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,148.80 : 666,223.20 = 267,201.60 : x
  2. Step 2: Convert to fraction form
    444,148.80/666,223.20 = 267,201.60/x
  3. Step 3: Cross multiply
    444,148.80x = 666,223.20 × 267,201.60
  4. Step 4: Simplify right side
    444,148.80x = 178,015,904,997.12
  5. Step 5: Solve for x
    x = 178,015,904,997.12/444,148.80
  6. Step 6: Final answer
    x = 400,802.40

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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.