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Finding the Fourth Proportional to 655,252.74, 982,879.50 and 181,938.12

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Solution

The fourth proportional to 655,252.74, 982,879.50 and 181,938.12 is: 272,907.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,252.74 : 982,879.50 = 181,938.12 : x
  2. Step 2: Convert to fraction form
    655,252.74/982,879.50 = 181,938.12/x
  3. Step 3: Cross multiply
    655,252.74x = 982,879.50 × 181,938.12
  4. Step 4: Simplify right side
    655,252.74x = 178,823,248,416.54
  5. Step 5: Solve for x
    x = 178,823,248,416.54/655,252.74
  6. Step 6: Final answer
    x = 272,907.29

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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.