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Finding the Fourth Proportional to 444,958.86, 666,883.17 and 217,066.68

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Solution

The fourth proportional to 444,958.86, 666,883.17 and 217,066.68 is: 325,329.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,958.86 : 666,883.17 = 217,066.68 : x
  2. Step 2: Convert to fraction form
    444,958.86/666,883.17 = 217,066.68/x
  3. Step 3: Cross multiply
    444,958.86x = 666,883.17 × 217,066.68
  4. Step 4: Simplify right side
    444,958.86x = 144,758,115,659.78
  5. Step 5: Solve for x
    x = 144,758,115,659.78/444,958.86
  6. Step 6: Final answer
    x = 325,329.21

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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.