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Finding the Fourth Proportional to 444,662.81, 666,792.39 and 191,823.74

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Solution

The fourth proportional to 444,662.81, 666,792.39 and 191,823.74 is: 287,648.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,662.81 : 666,792.39 = 191,823.74 : x
  2. Step 2: Convert to fraction form
    444,662.81/666,792.39 = 191,823.74/x
  3. Step 3: Cross multiply
    444,662.81x = 666,792.39 × 191,823.74
  4. Step 4: Simplify right side
    444,662.81x = 127,906,610,053.34
  5. Step 5: Solve for x
    x = 127,906,610,053.34/444,662.81
  6. Step 6: Final answer
    x = 287,648.54

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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.