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Finding the Fourth Proportional to 1,196.23, 1,794.57 and 416.20

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Solution

The fourth proportional to 1,196.23, 1,794.57 and 416.20 is: 624.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196.23 : 1,794.57 = 416.20 : x
  2. Step 2: Convert to fraction form
    1,196.23/1,794.57 = 416.20/x
  3. Step 3: Cross multiply
    1,196.23x = 1,794.57 × 416.20
  4. Step 4: Simplify right side
    1,196.23x = 746,900.03
  5. Step 5: Solve for x
    x = 746,900.03/1,196.23
  6. Step 6: Final answer
    x = 624.38

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1.5x scale

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.