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Finding the Fourth Proportional to 582.16, 873.36 and 197.68

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Solution

The fourth proportional to 582.16, 873.36 and 197.68 is: 296.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.16 : 873.36 = 197.68 : x
  2. Step 2: Convert to fraction form
    582.16/873.36 = 197.68/x
  3. Step 3: Cross multiply
    582.16x = 873.36 × 197.68
  4. Step 4: Simplify right side
    582.16x = 172,645.80
  5. Step 5: Solve for x
    x = 172,645.80/582.16
  6. Step 6: Final answer
    x = 296.56

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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.