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Finding the Fourth Proportional to 568,048.10, 851,748.15 and 213,073.70

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Solution

The fourth proportional to 568,048.10, 851,748.15 and 213,073.70 is: 319,489.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,048.10 : 851,748.15 = 213,073.70 : x
  2. Step 2: Convert to fraction form
    568,048.10/851,748.15 = 213,073.70/x
  3. Step 3: Cross multiply
    568,048.10x = 851,748.15 × 213,073.70
  4. Step 4: Simplify right side
    568,048.10x = 181,485,129,788.66
  5. Step 5: Solve for x
    x = 181,485,129,788.66/568,048.10
  6. Step 6: Final answer
    x = 319,489.02

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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.