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Finding the Fourth Proportional to 444,057.49, 666,304.94 and 207,365.77

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Solution

The fourth proportional to 444,057.49, 666,304.94 and 207,365.77 is: 311,150.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,057.49 : 666,304.94 = 207,365.77 : x
  2. Step 2: Convert to fraction form
    444,057.49/666,304.94 = 207,365.77/x
  3. Step 3: Cross multiply
    444,057.49x = 666,304.94 × 207,365.77
  4. Step 4: Simplify right side
    444,057.49x = 138,168,836,937.90
  5. Step 5: Solve for x
    x = 138,168,836,937.90/444,057.49
  6. Step 6: Final answer
    x = 311,150.79

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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.