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Finding the Fourth Proportional to 2,191,536, 3,287,305.08 and 695,628

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Solution

The fourth proportional to 2,191,536, 3,287,305.08 and 695,628 is: 1,043,442.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,536 : 3,287,305.08 = 695,628 : x
  2. Step 2: Convert to fraction form
    2,191,536/3,287,305.08 = 695,628/x
  3. Step 3: Cross multiply
    2,191,536x = 3,287,305.08 × 695,628
  4. Step 4: Simplify right side
    2,191,536x = 2,286,741,458,190.24
  5. Step 5: Solve for x
    x = 2,286,741,458,190.24/2,191,536
  6. Step 6: Final answer
    x = 1,043,442.34

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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.