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Finding the Fourth Proportional to 833,326.20, 1,149,991.92 and 451,353

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Solution

The fourth proportional to 833,326.20, 1,149,991.92 and 451,353 is: 622,868.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,326.20 : 1,149,991.92 = 451,353 : x
  2. Step 2: Convert to fraction form
    833,326.20/1,149,991.92 = 451,353/x
  3. Step 3: Cross multiply
    833,326.20x = 1,149,991.92 × 451,353
  4. Step 4: Simplify right side
    833,326.20x = 519,052,303,067.76
  5. Step 5: Solve for x
    x = 519,052,303,067.76/833,326.20
  6. Step 6: Final answer
    x = 622,868.10

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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.