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Finding the Fourth Proportional to 444,161.22, 666,537.08 and 207,522.36

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Solution

The fourth proportional to 444,161.22, 666,537.08 and 207,522.36 is: 311,421.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,161.22 : 666,537.08 = 207,522.36 : x
  2. Step 2: Convert to fraction form
    444,161.22/666,537.08 = 207,522.36/x
  3. Step 3: Cross multiply
    444,161.22x = 666,537.08 × 207,522.36
  4. Step 4: Simplify right side
    444,161.22x = 138,321,346,831.50
  5. Step 5: Solve for x
    x = 138,321,346,831.50/444,161.22
  6. Step 6: Final answer
    x = 311,421.49

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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.