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Finding the Fourth Proportional to 363.33, 544.46 and 272.07

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Solution

The fourth proportional to 363.33, 544.46 and 272.07 is: 407.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.33 : 544.46 = 272.07 : x
  2. Step 2: Convert to fraction form
    363.33/544.46 = 272.07/x
  3. Step 3: Cross multiply
    363.33x = 544.46 × 272.07
  4. Step 4: Simplify right side
    363.33x = 148,129.87
  5. Step 5: Solve for x
    x = 148,129.87/363.33
  6. Step 6: Final answer
    x = 407.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.