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Finding the Fourth Proportional to 444,571.77, 666,320.63 and 216,525.61

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Solution

The fourth proportional to 444,571.77, 666,320.63 and 216,525.61 is: 324,526.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,571.77 : 666,320.63 = 216,525.61 : x
  2. Step 2: Convert to fraction form
    444,571.77/666,320.63 = 216,525.61/x
  3. Step 3: Cross multiply
    444,571.77x = 666,320.63 × 216,525.61
  4. Step 4: Simplify right side
    444,571.77x = 144,275,478,086.51
  5. Step 5: Solve for x
    x = 144,275,478,086.51/444,571.77
  6. Step 6: Final answer
    x = 324,526.86

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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.