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Finding the Fourth Proportional to 444,649.68, 666,496.16 and 192,049.04

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Solution

The fourth proportional to 444,649.68, 666,496.16 and 192,049.04 is: 287,866.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,649.68 : 666,496.16 = 192,049.04 : x
  2. Step 2: Convert to fraction form
    444,649.68/666,496.16 = 192,049.04/x
  3. Step 3: Cross multiply
    444,649.68x = 666,496.16 × 192,049.04
  4. Step 4: Simplify right side
    444,649.68x = 127,999,947,691.69
  5. Step 5: Solve for x
    x = 127,999,947,691.69/444,649.68
  6. Step 6: Final answer
    x = 287,866.95

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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.