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Finding the Fourth Proportional to 834,386.62, 1,150,866 and 806,609.88

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Solution

The fourth proportional to 834,386.62, 1,150,866 and 806,609.88 is: 1,112,553.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,386.62 : 1,150,866 = 806,609.88 : x
  2. Step 2: Convert to fraction form
    834,386.62/1,150,866 = 806,609.88/x
  3. Step 3: Cross multiply
    834,386.62x = 1,150,866 × 806,609.88
  4. Step 4: Simplify right side
    834,386.62x = 928,299,886,156.08
  5. Step 5: Solve for x
    x = 928,299,886,156.08/834,386.62
  6. Step 6: Final answer
    x = 1,112,553.66

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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.