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Finding the Fourth Proportional to 600.97, 829.21 and 451.75

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Solution

The fourth proportional to 600.97, 829.21 and 451.75 is: 623.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    600.97 : 829.21 = 451.75 : x
  2. Step 2: Convert to fraction form
    600.97/829.21 = 451.75/x
  3. Step 3: Cross multiply
    600.97x = 829.21 × 451.75
  4. Step 4: Simplify right side
    600.97x = 374,596.99
  5. Step 5: Solve for x
    x = 374,596.99/600.97
  6. Step 6: Final answer
    x = 623.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.