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Finding the Fourth Proportional to 619,372.89, 928,758.62 and 363,275.19

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Solution

The fourth proportional to 619,372.89, 928,758.62 and 363,275.19 is: 544,736.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,372.89 : 928,758.62 = 363,275.19 : x
  2. Step 2: Convert to fraction form
    619,372.89/928,758.62 = 363,275.19/x
  3. Step 3: Cross multiply
    619,372.89x = 928,758.62 × 363,275.19
  4. Step 4: Simplify right side
    619,372.89x = 337,394,965,052.83
  5. Step 5: Solve for x
    x = 337,394,965,052.83/619,372.89
  6. Step 6: Final answer
    x = 544,736.41

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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.