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Finding the Fourth Proportional to 361,049.96, 498,264.51 and 199,905.01

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Solution

The fourth proportional to 361,049.96, 498,264.51 and 199,905.01 is: 275,877.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,049.96 : 498,264.51 = 199,905.01 : x
  2. Step 2: Convert to fraction form
    361,049.96/498,264.51 = 199,905.01/x
  3. Step 3: Cross multiply
    361,049.96x = 498,264.51 × 199,905.01
  4. Step 4: Simplify right side
    361,049.96x = 99,605,571,854.20
  5. Step 5: Solve for x
    x = 99,605,571,854.20/361,049.96
  6. Step 6: Final answer
    x = 275,877.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.