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Finding the Fourth Proportional to 582.57, 874.44 and 580.14

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Solution

The fourth proportional to 582.57, 874.44 and 580.14 is: 870.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.57 : 874.44 = 580.14 : x
  2. Step 2: Convert to fraction form
    582.57/874.44 = 580.14/x
  3. Step 3: Cross multiply
    582.57x = 874.44 × 580.14
  4. Step 4: Simplify right side
    582.57x = 507,297.62
  5. Step 5: Solve for x
    x = 507,297.62/582.57
  6. Step 6: Final answer
    x = 870.79

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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.