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Finding the Fourth Proportional to 444,206.84, 666,109.98 and 219,479.63

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Solution

The fourth proportional to 444,206.84, 666,109.98 and 219,479.63 is: 329,120.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,206.84 : 666,109.98 = 219,479.63 : x
  2. Step 2: Convert to fraction form
    444,206.84/666,109.98 = 219,479.63/x
  3. Step 3: Cross multiply
    444,206.84x = 666,109.98 × 219,479.63
  4. Step 4: Simplify right side
    444,206.84x = 146,197,568,619.16
  5. Step 5: Solve for x
    x = 146,197,568,619.16/444,206.84
  6. Step 6: Final answer
    x = 329,120.48

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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.