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Finding the Fourth Proportional to 671.46, 926.64 and 582.26

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Solution

The fourth proportional to 671.46, 926.64 and 582.26 is: 803.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    671.46 : 926.64 = 582.26 : x
  2. Step 2: Convert to fraction form
    671.46/926.64 = 582.26/x
  3. Step 3: Cross multiply
    671.46x = 926.64 × 582.26
  4. Step 4: Simplify right side
    671.46x = 539,540.77
  5. Step 5: Solve for x
    x = 539,540.77/671.46
  6. Step 6: Final answer
    x = 803.54

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Double scale
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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.