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Finding the Fourth Proportional to 793.04, 1,189.56 and 446.24

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Solution

The fourth proportional to 793.04, 1,189.56 and 446.24 is: 669.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.04 : 1,189.56 = 446.24 : x
  2. Step 2: Convert to fraction form
    793.04/1,189.56 = 446.24/x
  3. Step 3: Cross multiply
    793.04x = 1,189.56 × 446.24
  4. Step 4: Simplify right side
    793.04x = 530,829.25
  5. Step 5: Solve for x
    x = 530,829.25/793.04
  6. Step 6: Final answer
    x = 669.36

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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.