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Finding the Fourth Proportional to 481,486.70, 722,228.34 and 144,525.89

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Solution

The fourth proportional to 481,486.70, 722,228.34 and 144,525.89 is: 216,788.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,486.70 : 722,228.34 = 144,525.89 : x
  2. Step 2: Convert to fraction form
    481,486.70/722,228.34 = 144,525.89/x
  3. Step 3: Cross multiply
    481,486.70x = 722,228.34 × 144,525.89
  4. Step 4: Simplify right side
    481,486.70x = 104,380,693,621.72
  5. Step 5: Solve for x
    x = 104,380,693,621.72/481,486.70
  6. Step 6: Final answer
    x = 216,788.32

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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.