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Finding the Fourth Proportional to 1,192.22, 1,788.62 and 370.44

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Solution

The fourth proportional to 1,192.22, 1,788.62 and 370.44 is: 555.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192.22 : 1,788.62 = 370.44 : x
  2. Step 2: Convert to fraction form
    1,192.22/1,788.62 = 370.44/x
  3. Step 3: Cross multiply
    1,192.22x = 1,788.62 × 370.44
  4. Step 4: Simplify right side
    1,192.22x = 662,574.54
  5. Step 5: Solve for x
    x = 662,574.54/1,192.22
  6. Step 6: Final answer
    x = 555.75

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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.