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Finding the Fourth Proportional to 444,696.81, 666,843.51 and 191,857.74

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Solution

The fourth proportional to 444,696.81, 666,843.51 and 191,857.74 is: 287,699.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,696.81 : 666,843.51 = 191,857.74 : x
  2. Step 2: Convert to fraction form
    444,696.81/666,843.51 = 191,857.74/x
  3. Step 3: Cross multiply
    444,696.81x = 666,843.51 × 191,857.74
  4. Step 4: Simplify right side
    444,696.81x = 127,939,088,762.27
  5. Step 5: Solve for x
    x = 127,939,088,762.27/444,696.81
  6. Step 6: Final answer
    x = 287,699.59

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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.