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Finding the Fourth Proportional to 444,363.20, 666,544.32 and 144,843.68

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Solution

The fourth proportional to 444,363.20, 666,544.32 and 144,843.68 is: 217,265.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,363.20 : 666,544.32 = 144,843.68 : x
  2. Step 2: Convert to fraction form
    444,363.20/666,544.32 = 144,843.68/x
  3. Step 3: Cross multiply
    444,363.20x = 666,544.32 × 144,843.68
  4. Step 4: Simplify right side
    444,363.20x = 96,544,732,191.90
  5. Step 5: Solve for x
    x = 96,544,732,191.90/444,363.20
  6. Step 6: Final answer
    x = 217,265.36

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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.