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Finding the Fourth Proportional to 968.84, 1,337.74 and 596.34

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Solution

The fourth proportional to 968.84, 1,337.74 and 596.34 is: 823.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    968.84 : 1,337.74 = 596.34 : x
  2. Step 2: Convert to fraction form
    968.84/1,337.74 = 596.34/x
  3. Step 3: Cross multiply
    968.84x = 1,337.74 × 596.34
  4. Step 4: Simplify right side
    968.84x = 797,747.87
  5. Step 5: Solve for x
    x = 797,747.87/968.84
  6. Step 6: Final answer
    x = 823.41

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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.