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Finding the Fourth Proportional to 582.88, 874.18 and 274.44

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Solution

The fourth proportional to 582.88, 874.18 and 274.44 is: 411.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.88 : 874.18 = 274.44 : x
  2. Step 2: Convert to fraction form
    582.88/874.18 = 274.44/x
  3. Step 3: Cross multiply
    582.88x = 874.18 × 274.44
  4. Step 4: Simplify right side
    582.88x = 239,909.96
  5. Step 5: Solve for x
    x = 239,909.96/582.88
  6. Step 6: Final answer
    x = 411.59

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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.