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Finding the Fourth Proportional to 481,393.60, 722,215.68 and 181,876.48

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Solution

The fourth proportional to 481,393.60, 722,215.68 and 181,876.48 is: 272,862.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,393.60 : 722,215.68 = 181,876.48 : x
  2. Step 2: Convert to fraction form
    481,393.60/722,215.68 = 181,876.48/x
  3. Step 3: Cross multiply
    481,393.60x = 722,215.68 × 181,876.48
  4. Step 4: Simplify right side
    481,393.60x = 131,354,045,679.21
  5. Step 5: Solve for x
    x = 131,354,045,679.21/481,393.60
  6. Step 6: Final answer
    x = 272,862.05

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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.