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Finding the Fourth Proportional to 481,491.29, 722,235.17 and 144,530.48

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Solution

The fourth proportional to 481,491.29, 722,235.17 and 144,530.48 is: 216,795.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,491.29 : 722,235.17 = 144,530.48 : x
  2. Step 2: Convert to fraction form
    481,491.29/722,235.17 = 144,530.48/x
  3. Step 3: Cross multiply
    481,491.29x = 722,235.17 × 144,530.48
  4. Step 4: Simplify right side
    481,491.29x = 104,384,991,459.15
  5. Step 5: Solve for x
    x = 104,384,991,459.15/481,491.29
  6. Step 6: Final answer
    x = 216,795.18

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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.