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Finding the Fourth Proportional to 1,192.02, 1,788.03 and 326.37

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Solution

The fourth proportional to 1,192.02, 1,788.03 and 326.37 is: 489.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192.02 : 1,788.03 = 326.37 : x
  2. Step 2: Convert to fraction form
    1,192.02/1,788.03 = 326.37/x
  3. Step 3: Cross multiply
    1,192.02x = 1,788.03 × 326.37
  4. Step 4: Simplify right side
    1,192.02x = 583,559.35
  5. Step 5: Solve for x
    x = 583,559.35/1,192.02
  6. Step 6: Final answer
    x = 489.56

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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.