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Finding the Fourth Proportional to 582.95, 874.18 and 274.26

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Solution

The fourth proportional to 582.95, 874.18 and 274.26 is: 411.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.95 : 874.18 = 274.26 : x
  2. Step 2: Convert to fraction form
    582.95/874.18 = 274.26/x
  3. Step 3: Cross multiply
    582.95x = 874.18 × 274.26
  4. Step 4: Simplify right side
    582.95x = 239,752.61
  5. Step 5: Solve for x
    x = 239,752.61/582.95
  6. Step 6: Final answer
    x = 411.27

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Double scale
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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.