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Finding the Fourth Proportional to 544.74, 751.98 and 358.22

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Solution

The fourth proportional to 544.74, 751.98 and 358.22 is: 494.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.74 : 751.98 = 358.22 : x
  2. Step 2: Convert to fraction form
    544.74/751.98 = 358.22/x
  3. Step 3: Cross multiply
    544.74x = 751.98 × 358.22
  4. Step 4: Simplify right side
    544.74x = 269,374.28
  5. Step 5: Solve for x
    x = 269,374.28/544.74
  6. Step 6: Final answer
    x = 494.50

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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.