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Finding the Fourth Proportional to 444,111.60, 664,223.40 and 397,066.80

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Solution

The fourth proportional to 444,111.60, 664,223.40 and 397,066.80 is: 593,862.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,111.60 : 664,223.40 = 397,066.80 : x
  2. Step 2: Convert to fraction form
    444,111.60/664,223.40 = 397,066.80/x
  3. Step 3: Cross multiply
    444,111.60x = 664,223.40 × 397,066.80
  4. Step 4: Simplify right side
    444,111.60x = 263,741,059,923.12
  5. Step 5: Solve for x
    x = 263,741,059,923.12/444,111.60
  6. Step 6: Final answer
    x = 593,862.13

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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.