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Finding the Fourth Proportional to 481,049.97, 663,919.05 and 277,061.19

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Solution

The fourth proportional to 481,049.97, 663,919.05 and 277,061.19 is: 382,384.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,049.97 : 663,919.05 = 277,061.19 : x
  2. Step 2: Convert to fraction form
    481,049.97/663,919.05 = 277,061.19/x
  3. Step 3: Cross multiply
    481,049.97x = 663,919.05 × 277,061.19
  4. Step 4: Simplify right side
    481,049.97x = 183,946,202,056.67
  5. Step 5: Solve for x
    x = 183,946,202,056.67/481,049.97
  6. Step 6: Final answer
    x = 382,384.81

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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.