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Finding the Fourth Proportional to 444,028.50, 666,141.12 and 207,241.92

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Solution

The fourth proportional to 444,028.50, 666,141.12 and 207,241.92 is: 310,908.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,028.50 : 666,141.12 = 207,241.92 : x
  2. Step 2: Convert to fraction form
    444,028.50/666,141.12 = 207,241.92/x
  3. Step 3: Cross multiply
    444,028.50x = 666,141.12 × 207,241.92
  4. Step 4: Simplify right side
    444,028.50x = 138,052,364,699.75
  5. Step 5: Solve for x
    x = 138,052,364,699.75/444,028.50
  6. Step 6: Final answer
    x = 310,908.79

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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.