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Finding the Fourth Proportional to 568,425.30, 851,897.49 and 231,071.90

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Solution

The fourth proportional to 568,425.30, 851,897.49 and 231,071.90 is: 346,306.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,425.30 : 851,897.49 = 231,071.90 : x
  2. Step 2: Convert to fraction form
    568,425.30/851,897.49 = 231,071.90/x
  3. Step 3: Cross multiply
    568,425.30x = 851,897.49 × 231,071.90
  4. Step 4: Simplify right side
    568,425.30x = 196,849,567,360.04
  5. Step 5: Solve for x
    x = 196,849,567,360.04/568,425.30
  6. Step 6: Final answer
    x = 346,306.84

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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.