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Finding the Fourth Proportional to 534,046.60, 800,810.70 and 297,137.80

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Solution

The fourth proportional to 534,046.60, 800,810.70 and 297,137.80 is: 445,562.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,046.60 : 800,810.70 = 297,137.80 : x
  2. Step 2: Convert to fraction form
    534,046.60/800,810.70 = 297,137.80/x
  3. Step 3: Cross multiply
    534,046.60x = 800,810.70 × 297,137.80
  4. Step 4: Simplify right side
    534,046.60x = 237,951,129,614.46
  5. Step 5: Solve for x
    x = 237,951,129,614.46/534,046.60
  6. Step 6: Final answer
    x = 445,562.48

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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.