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Finding the Fourth Proportional to 2,734,513.30, 4,101,769.95 and 739,969.30

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Solution

The fourth proportional to 2,734,513.30, 4,101,769.95 and 739,969.30 is: 1,109,953.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,734,513.30 : 4,101,769.95 = 739,969.30 : x
  2. Step 2: Convert to fraction form
    2,734,513.30/4,101,769.95 = 739,969.30/x
  3. Step 3: Cross multiply
    2,734,513.30x = 4,101,769.95 × 739,969.30
  4. Step 4: Simplify right side
    2,734,513.30x = 3,035,183,838,662.54
  5. Step 5: Solve for x
    x = 3,035,183,838,662.54/2,734,513.30
  6. Step 6: Final answer
    x = 1,109,953.95

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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.