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Finding the Fourth Proportional to 247,553.40, 371,330.10 and 230,964.60

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Solution

The fourth proportional to 247,553.40, 371,330.10 and 230,964.60 is: 346,446.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,553.40 : 371,330.10 = 230,964.60 : x
  2. Step 2: Convert to fraction form
    247,553.40/371,330.10 = 230,964.60/x
  3. Step 3: Cross multiply
    247,553.40x = 371,330.10 × 230,964.60
  4. Step 4: Simplify right side
    247,553.40x = 85,764,108,014.46
  5. Step 5: Solve for x
    x = 85,764,108,014.46/247,553.40
  6. Step 6: Final answer
    x = 346,446.90

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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.