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Finding the Fourth Proportional to 1,196.47, 1,794.84 and 416.38

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Solution

The fourth proportional to 1,196.47, 1,794.84 and 416.38 is: 624.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196.47 : 1,794.84 = 416.38 : x
  2. Step 2: Convert to fraction form
    1,196.47/1,794.84 = 416.38/x
  3. Step 3: Cross multiply
    1,196.47x = 1,794.84 × 416.38
  4. Step 4: Simplify right side
    1,196.47x = 747,335.48
  5. Step 5: Solve for x
    x = 747,335.48/1,196.47
  6. Step 6: Final answer
    x = 624.62

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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.