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Finding the Fourth Proportional to 444,641.73, 666,893.22 and 145,055.89

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Solution

The fourth proportional to 444,641.73, 666,893.22 and 145,055.89 is: 217,561.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,641.73 : 666,893.22 = 145,055.89 : x
  2. Step 2: Convert to fraction form
    444,641.73/666,893.22 = 145,055.89/x
  3. Step 3: Cross multiply
    444,641.73x = 666,893.22 × 145,055.89
  4. Step 4: Simplify right side
    444,641.73x = 96,736,789,562.07
  5. Step 5: Solve for x
    x = 96,736,789,562.07/444,641.73
  6. Step 6: Final answer
    x = 217,561.20

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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.