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Finding the Fourth Proportional to 444,162.47, 666,538.95 and 207,523.61

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Solution

The fourth proportional to 444,162.47, 666,538.95 and 207,523.61 is: 311,423.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,162.47 : 666,538.95 = 207,523.61 : x
  2. Step 2: Convert to fraction form
    444,162.47/666,538.95 = 207,523.61/x
  3. Step 3: Cross multiply
    444,162.47x = 666,538.95 × 207,523.61
  4. Step 4: Simplify right side
    444,162.47x = 138,322,569,109.61
  5. Step 5: Solve for x
    x = 138,322,569,109.61/444,162.47
  6. Step 6: Final answer
    x = 311,423.36

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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.