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Finding the Fourth Proportional to 544.60, 750.27 and 445.78

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Solution

The fourth proportional to 544.60, 750.27 and 445.78 is: 614.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.60 : 750.27 = 445.78 : x
  2. Step 2: Convert to fraction form
    544.60/750.27 = 445.78/x
  3. Step 3: Cross multiply
    544.60x = 750.27 × 445.78
  4. Step 4: Simplify right side
    544.60x = 334,455.36
  5. Step 5: Solve for x
    x = 334,455.36/544.60
  6. Step 6: Final answer
    x = 614.13

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