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Finding the Fourth Proportional to 544.42, 750.56 and 444.48

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Solution

The fourth proportional to 544.42, 750.56 and 444.48 is: 612.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.42 : 750.56 = 444.48 : x
  2. Step 2: Convert to fraction form
    544.42/750.56 = 444.48/x
  3. Step 3: Cross multiply
    544.42x = 750.56 × 444.48
  4. Step 4: Simplify right side
    544.42x = 333,608.91
  5. Step 5: Solve for x
    x = 333,608.91/544.42
  6. Step 6: Final answer
    x = 612.78

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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.