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Finding the Fourth Proportional to 481,355.49, 722,254.50 and 181,940.07

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Solution

The fourth proportional to 481,355.49, 722,254.50 and 181,940.07 is: 272,993.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,355.49 : 722,254.50 = 181,940.07 : x
  2. Step 2: Convert to fraction form
    481,355.49/722,254.50 = 181,940.07/x
  3. Step 3: Cross multiply
    481,355.49x = 722,254.50 × 181,940.07
  4. Step 4: Simplify right side
    481,355.49x = 131,407,034,287.82
  5. Step 5: Solve for x
    x = 131,407,034,287.82/481,355.49
  6. Step 6: Final answer
    x = 272,993.74

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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.