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Finding the Fourth Proportional to 481,477.98, 722,215.20 and 144,517.17

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Solution

The fourth proportional to 481,477.98, 722,215.20 and 144,517.17 is: 216,775.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,477.98 : 722,215.20 = 144,517.17 : x
  2. Step 2: Convert to fraction form
    481,477.98/722,215.20 = 144,517.17/x
  3. Step 3: Cross multiply
    481,477.98x = 722,215.20 × 144,517.17
  4. Step 4: Simplify right side
    481,477.98x = 104,372,496,834.98
  5. Step 5: Solve for x
    x = 104,372,496,834.98/481,477.98
  6. Step 6: Final answer
    x = 216,775.22

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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.