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Finding the Fourth Proportional to 655,010.72, 982,515.92 and 181,696.08

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Solution

The fourth proportional to 655,010.72, 982,515.92 and 181,696.08 is: 272,544.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,010.72 : 982,515.92 = 181,696.08 : x
  2. Step 2: Convert to fraction form
    655,010.72/982,515.92 = 181,696.08/x
  3. Step 3: Cross multiply
    655,010.72x = 982,515.92 × 181,696.08
  4. Step 4: Simplify right side
    655,010.72x = 178,519,291,201.59
  5. Step 5: Solve for x
    x = 178,519,291,201.59/655,010.72
  6. Step 6: Final answer
    x = 272,544.08

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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.