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Finding the Fourth Proportional to 797,003.52, 1,099,991.52 and 491,259.84

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Solution

The fourth proportional to 797,003.52, 1,099,991.52 and 491,259.84 is: 678,016.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,003.52 : 1,099,991.52 = 491,259.84 : x
  2. Step 2: Convert to fraction form
    797,003.52/1,099,991.52 = 491,259.84/x
  3. Step 3: Cross multiply
    797,003.52x = 1,099,991.52 × 491,259.84
  4. Step 4: Simplify right side
    797,003.52x = 540,381,658,116.56
  5. Step 5: Solve for x
    x = 540,381,658,116.56/797,003.52
  6. Step 6: Final answer
    x = 678,016.65

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