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Finding the Fourth Proportional to 481,472.34, 722,206.77 and 144,511.53

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Solution

The fourth proportional to 481,472.34, 722,206.77 and 144,511.53 is: 216,766.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,472.34 : 722,206.77 = 144,511.53 : x
  2. Step 2: Convert to fraction form
    481,472.34/722,206.77 = 144,511.53/x
  3. Step 3: Cross multiply
    481,472.34x = 722,206.77 × 144,511.53
  4. Step 4: Simplify right side
    481,472.34x = 104,367,202,058.86
  5. Step 5: Solve for x
    x = 104,367,202,058.86/481,472.34
  6. Step 6: Final answer
    x = 216,766.77

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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.