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Finding the Fourth Proportional to 591.48, 886.74 and 396.54

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Solution

The fourth proportional to 591.48, 886.74 and 396.54 is: 594.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.48 : 886.74 = 396.54 : x
  2. Step 2: Convert to fraction form
    591.48/886.74 = 396.54/x
  3. Step 3: Cross multiply
    591.48x = 886.74 × 396.54
  4. Step 4: Simplify right side
    591.48x = 351,627.88
  5. Step 5: Solve for x
    x = 351,627.88/591.48
  6. Step 6: Final answer
    x = 594.49

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Double scale
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Similar ratio
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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.