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Finding the Fourth Proportional to 582.92, 873.90 and 400.66

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Solution

The fourth proportional to 582.92, 873.90 and 400.66 is: 600.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.92 : 873.90 = 400.66 : x
  2. Step 2: Convert to fraction form
    582.92/873.90 = 400.66/x
  3. Step 3: Cross multiply
    582.92x = 873.90 × 400.66
  4. Step 4: Simplify right side
    582.92x = 350,136.77
  5. Step 5: Solve for x
    x = 350,136.77/582.92
  6. Step 6: Final answer
    x = 600.66

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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.