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Finding the Fourth Proportional to 481,486.77, 722,228.42 and 144,525.96

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Solution

The fourth proportional to 481,486.77, 722,228.42 and 144,525.96 is: 216,788.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,486.77 : 722,228.42 = 144,525.96 : x
  2. Step 2: Convert to fraction form
    481,486.77/722,228.42 = 144,525.96/x
  3. Step 3: Cross multiply
    481,486.77x = 722,228.42 × 144,525.96
  4. Step 4: Simplify right side
    481,486.77x = 104,380,755,017.15
  5. Step 5: Solve for x
    x = 104,380,755,017.15/481,486.77
  6. Step 6: Final answer
    x = 216,788.42

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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.