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Finding the Fourth Proportional to 801.84, 1,106.48 and 452.52

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Solution

The fourth proportional to 801.84, 1,106.48 and 452.52 is: 624.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    801.84 : 1,106.48 = 452.52 : x
  2. Step 2: Convert to fraction form
    801.84/1,106.48 = 452.52/x
  3. Step 3: Cross multiply
    801.84x = 1,106.48 × 452.52
  4. Step 4: Simplify right side
    801.84x = 500,704.33
  5. Step 5: Solve for x
    x = 500,704.33/801.84
  6. Step 6: Final answer
    x = 624.44

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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.