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Finding the Fourth Proportional to 534,920.34, 803,634.38 and 504,657.12

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Solution

The fourth proportional to 534,920.34, 803,634.38 and 504,657.12 is: 758,168.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,920.34 : 803,634.38 = 504,657.12 : x
  2. Step 2: Convert to fraction form
    534,920.34/803,634.38 = 504,657.12/x
  3. Step 3: Cross multiply
    534,920.34x = 803,634.38 × 504,657.12
  4. Step 4: Simplify right side
    534,920.34x = 405,559,811,743.79
  5. Step 5: Solve for x
    x = 405,559,811,743.79/534,920.34
  6. Step 6: Final answer
    x = 758,168.61

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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.