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Finding the Fourth Proportional to 906,457.23, 1,250,231.22 and 866,255.31

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Solution

The fourth proportional to 906,457.23, 1,250,231.22 and 866,255.31 is: 1,194,782.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,457.23 : 1,250,231.22 = 866,255.31 : x
  2. Step 2: Convert to fraction form
    906,457.23/1,250,231.22 = 866,255.31/x
  3. Step 3: Cross multiply
    906,457.23x = 1,250,231.22 × 866,255.31
  4. Step 4: Simplify right side
    906,457.23x = 1,083,019,433,052.78
  5. Step 5: Solve for x
    x = 1,083,019,433,052.78/906,457.23
  6. Step 6: Final answer
    x = 1,194,782.72

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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.