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Finding the Fourth Proportional to 827,253.48, 1,241,930.22 and 703,381.80

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Solution

The fourth proportional to 827,253.48, 1,241,930.22 and 703,381.80 is: 1,055,965.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,253.48 : 1,241,930.22 = 703,381.80 : x
  2. Step 2: Convert to fraction form
    827,253.48/1,241,930.22 = 703,381.80/x
  3. Step 3: Cross multiply
    827,253.48x = 1,241,930.22 × 703,381.80
  4. Step 4: Simplify right side
    827,253.48x = 873,551,113,618.00
  5. Step 5: Solve for x
    x = 873,551,113,618.00/827,253.48
  6. Step 6: Final answer
    x = 1,055,965.47

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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.