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Finding the Fourth Proportional to 544.73, 751.01 and 451.13

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Solution

The fourth proportional to 544.73, 751.01 and 451.13 is: 621.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.73 : 751.01 = 451.13 : x
  2. Step 2: Convert to fraction form
    544.73/751.01 = 451.13/x
  3. Step 3: Cross multiply
    544.73x = 751.01 × 451.13
  4. Step 4: Simplify right side
    544.73x = 338,800.89
  5. Step 5: Solve for x
    x = 338,800.89/544.73
  6. Step 6: Final answer
    x = 621.96

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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.