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Finding the Fourth Proportional to 3,298,376.96, 4,947,375.89 and 1,959,046.82

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Solution

The fourth proportional to 3,298,376.96, 4,947,375.89 and 1,959,046.82 is: 2,938,457.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,298,376.96 : 4,947,375.89 = 1,959,046.82 : x
  2. Step 2: Convert to fraction form
    3,298,376.96/4,947,375.89 = 1,959,046.82/x
  3. Step 3: Cross multiply
    3,298,376.96x = 4,947,375.89 × 1,959,046.82
  4. Step 4: Simplify right side
    3,298,376.96x = 9,692,140,994,853.94
  5. Step 5: Solve for x
    x = 9,692,140,994,853.94/3,298,376.96
  6. Step 6: Final answer
    x = 2,938,457.65

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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.