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Finding the Fourth Proportional to 444,238.82, 666,357.68 and 144,718.90

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Solution

The fourth proportional to 444,238.82, 666,357.68 and 144,718.90 is: 217,078.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,238.82 : 666,357.68 = 144,718.90 : x
  2. Step 2: Convert to fraction form
    444,238.82/666,357.68 = 144,718.90/x
  3. Step 3: Cross multiply
    444,238.82x = 666,357.68 × 144,718.90
  4. Step 4: Simplify right side
    444,238.82x = 96,434,550,456.15
  5. Step 5: Solve for x
    x = 96,434,550,456.15/444,238.82
  6. Step 6: Final answer
    x = 217,078.17

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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.