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Finding the Fourth Proportional to 444,212.12, 666,613.20 and 207,573.08

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Solution

The fourth proportional to 444,212.12, 666,613.20 and 207,573.08 is: 311,497.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,212.12 : 666,613.20 = 207,573.08 : x
  2. Step 2: Convert to fraction form
    444,212.12/666,613.20 = 207,573.08/x
  3. Step 3: Cross multiply
    444,212.12x = 666,613.20 × 207,573.08
  4. Step 4: Simplify right side
    444,212.12x = 138,370,955,092.66
  5. Step 5: Solve for x
    x = 138,370,955,092.66/444,212.12
  6. Step 6: Final answer
    x = 311,497.48

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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.