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Finding the Fourth Proportional to 274,990.20, 412,485.30 and 241,747.80

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Solution

The fourth proportional to 274,990.20, 412,485.30 and 241,747.80 is: 362,621.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,990.20 : 412,485.30 = 241,747.80 : x
  2. Step 2: Convert to fraction form
    274,990.20/412,485.30 = 241,747.80/x
  3. Step 3: Cross multiply
    274,990.20x = 412,485.30 × 241,747.80
  4. Step 4: Simplify right side
    274,990.20x = 99,717,413,807.34
  5. Step 5: Solve for x
    x = 99,717,413,807.34/274,990.20
  6. Step 6: Final answer
    x = 362,621.70

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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.