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Finding the Fourth Proportional to 2,854,964.72, 3,940,600.92 and 1,709,940.08

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Solution

The fourth proportional to 2,854,964.72, 3,940,600.92 and 1,709,940.08 is: 2,360,166.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,854,964.72 : 3,940,600.92 = 1,709,940.08 : x
  2. Step 2: Convert to fraction form
    2,854,964.72/3,940,600.92 = 1,709,940.08/x
  3. Step 3: Cross multiply
    2,854,964.72x = 3,940,600.92 × 1,709,940.08
  4. Step 4: Simplify right side
    2,854,964.72x = 6,738,191,452,392.87
  5. Step 5: Solve for x
    x = 6,738,191,452,392.87/2,854,964.72
  6. Step 6: Final answer
    x = 2,360,166.28

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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.