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Finding the Fourth Proportional to 572.76, 859.50 and 226.04

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Solution

The fourth proportional to 572.76, 859.50 and 226.04 is: 339.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    572.76 : 859.50 = 226.04 : x
  2. Step 2: Convert to fraction form
    572.76/859.50 = 226.04/x
  3. Step 3: Cross multiply
    572.76x = 859.50 × 226.04
  4. Step 4: Simplify right side
    572.76x = 194,282.55
  5. Step 5: Solve for x
    x = 194,282.55/572.76
  6. Step 6: Final answer
    x = 339.20

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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.