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Finding the Fourth Proportional to 568,520.27, 852,768.70 and 189,468.53

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Solution

The fourth proportional to 568,520.27, 852,768.70 and 189,468.53 is: 284,198.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,520.27 : 852,768.70 = 189,468.53 : x
  2. Step 2: Convert to fraction form
    568,520.27/852,768.70 = 189,468.53/x
  3. Step 3: Cross multiply
    568,520.27x = 852,768.70 × 189,468.53
  4. Step 4: Simplify right side
    568,520.27x = 161,572,831,071.67
  5. Step 5: Solve for x
    x = 161,572,831,071.67/568,520.27
  6. Step 6: Final answer
    x = 284,198.89

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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.