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Finding the Fourth Proportional to 444,558.40, 666,814.08 and 124,732.54

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Solution

The fourth proportional to 444,558.40, 666,814.08 and 124,732.54 is: 187,092.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,558.40 : 666,814.08 = 124,732.54 : x
  2. Step 2: Convert to fraction form
    444,558.40/666,814.08 = 124,732.54/x
  3. Step 3: Cross multiply
    444,558.40x = 666,814.08 × 124,732.54
  4. Step 4: Simplify right side
    444,558.40x = 83,173,413,906.16
  5. Step 5: Solve for x
    x = 83,173,413,906.16/444,558.40
  6. Step 6: Final answer
    x = 187,092.21

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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.