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Finding the Fourth Proportional to 1,964,675.71, 2,709,791 and 1,734,827.48

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Solution

The fourth proportional to 1,964,675.71, 2,709,791 and 1,734,827.48 is: 2,392,771.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964,675.71 : 2,709,791 = 1,734,827.48 : x
  2. Step 2: Convert to fraction form
    1,964,675.71/2,709,791 = 1,734,827.48/x
  3. Step 3: Cross multiply
    1,964,675.71x = 2,709,791 × 1,734,827.48
  4. Step 4: Simplify right side
    1,964,675.71x = 4,701,019,891,856.68
  5. Step 5: Solve for x
    x = 4,701,019,891,856.68/1,964,675.71
  6. Step 6: Final answer
    x = 2,392,771.42

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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.