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Finding the Fourth Proportional to 1,777,537.64, 2,452,984.50 and 961,723.41

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Solution

The fourth proportional to 1,777,537.64, 2,452,984.50 and 961,723.41 is: 1,327,168.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777,537.64 : 2,452,984.50 = 961,723.41 : x
  2. Step 2: Convert to fraction form
    1,777,537.64/2,452,984.50 = 961,723.41/x
  3. Step 3: Cross multiply
    1,777,537.64x = 2,452,984.50 × 961,723.41
  4. Step 4: Simplify right side
    1,777,537.64x = 2,359,092,618,017.15
  5. Step 5: Solve for x
    x = 2,359,092,618,017.15/1,777,537.64
  6. Step 6: Final answer
    x = 1,327,168.87

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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.