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Finding the Fourth Proportional to 568,421.92, 851,892.44 and 231,068.51

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Solution

The fourth proportional to 568,421.92, 851,892.44 and 231,068.51 is: 346,301.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,421.92 : 851,892.44 = 231,068.51 : x
  2. Step 2: Convert to fraction form
    568,421.92/851,892.44 = 231,068.51/x
  3. Step 3: Cross multiply
    568,421.92x = 851,892.44 × 231,068.51
  4. Step 4: Simplify right side
    568,421.92x = 196,845,520,662.51
  5. Step 5: Solve for x
    x = 196,845,520,662.51/568,421.92
  6. Step 6: Final answer
    x = 346,301.78

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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.