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Finding the Fourth Proportional to 568,539.78, 852,628.23 and 231,579.78

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Solution

The fourth proportional to 568,539.78, 852,628.23 and 231,579.78 is: 347,295.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,539.78 : 852,628.23 = 231,579.78 : x
  2. Step 2: Convert to fraction form
    568,539.78/852,628.23 = 231,579.78/x
  3. Step 3: Cross multiply
    568,539.78x = 852,628.23 × 231,579.78
  4. Step 4: Simplify right side
    568,539.78x = 197,451,457,925.19
  5. Step 5: Solve for x
    x = 197,451,457,925.19/568,539.78
  6. Step 6: Final answer
    x = 347,295.77

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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.