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Finding the Fourth Proportional to 543,233.30, 815,141.55 and 227,722.10

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Solution

The fourth proportional to 543,233.30, 815,141.55 and 227,722.10 is: 341,705.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,233.30 : 815,141.55 = 227,722.10 : x
  2. Step 2: Convert to fraction form
    543,233.30/815,141.55 = 227,722.10/x
  3. Step 3: Cross multiply
    543,233.30x = 815,141.55 × 227,722.10
  4. Step 4: Simplify right side
    543,233.30x = 185,625,745,563.26
  5. Step 5: Solve for x
    x = 185,625,745,563.26/543,233.30
  6. Step 6: Final answer
    x = 341,705.39

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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.