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Finding the Fourth Proportional to 3,298,364.15, 4,947,356.68 and 1,959,034.01

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Solution

The fourth proportional to 3,298,364.15, 4,947,356.68 and 1,959,034.01 is: 2,938,438.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,298,364.15 : 4,947,356.68 = 1,959,034.01 : x
  2. Step 2: Convert to fraction form
    3,298,364.15/4,947,356.68 = 1,959,034.01/x
  3. Step 3: Cross multiply
    3,298,364.15x = 4,947,356.68 × 1,959,034.01
  4. Step 4: Simplify right side
    3,298,364.15x = 9,692,039,966,086.32
  5. Step 5: Solve for x
    x = 9,692,039,966,086.32/3,298,364.15
  6. Step 6: Final answer
    x = 2,938,438.43

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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.