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Finding the Fourth Proportional to 361,052.88, 498,268.53 and 199,907.92

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Solution

The fourth proportional to 361,052.88, 498,268.53 and 199,907.92 is: 275,881.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,052.88 : 498,268.53 = 199,907.92 : x
  2. Step 2: Convert to fraction form
    361,052.88/498,268.53 = 199,907.92/x
  3. Step 3: Cross multiply
    361,052.88x = 498,268.53 × 199,907.92
  4. Step 4: Simplify right side
    361,052.88x = 99,607,825,433.76
  5. Step 5: Solve for x
    x = 99,607,825,433.76/361,052.88
  6. Step 6: Final answer
    x = 275,881.54

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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.