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Finding the Fourth Proportional to 444,443.49, 666,814.87 and 140,887.22

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Solution

The fourth proportional to 444,443.49, 666,814.87 and 140,887.22 is: 211,378.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,443.49 : 666,814.87 = 140,887.22 : x
  2. Step 2: Convert to fraction form
    444,443.49/666,814.87 = 140,887.22/x
  3. Step 3: Cross multiply
    444,443.49x = 666,814.87 × 140,887.22
  4. Step 4: Simplify right side
    444,443.49x = 93,945,695,447.68
  5. Step 5: Solve for x
    x = 93,945,695,447.68/444,443.49
  6. Step 6: Final answer
    x = 211,378.27

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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.