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Finding the Fourth Proportional to 544.88, 751.19 and 465.85

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Solution

The fourth proportional to 544.88, 751.19 and 465.85 is: 642.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.88 : 751.19 = 465.85 : x
  2. Step 2: Convert to fraction form
    544.88/751.19 = 465.85/x
  3. Step 3: Cross multiply
    544.88x = 751.19 × 465.85
  4. Step 4: Simplify right side
    544.88x = 349,940.47
  5. Step 5: Solve for x
    x = 349,940.47/544.88
  6. Step 6: Final answer
    x = 642.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.