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Finding the Fourth Proportional to 580,352.96, 869,855.52 and 331,209.92

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Solution

The fourth proportional to 580,352.96, 869,855.52 and 331,209.92 is: 496,430.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,352.96 : 869,855.52 = 331,209.92 : x
  2. Step 2: Convert to fraction form
    580,352.96/869,855.52 = 331,209.92/x
  3. Step 3: Cross multiply
    580,352.96x = 869,855.52 × 331,209.92
  4. Step 4: Simplify right side
    580,352.96x = 288,104,777,190.76
  5. Step 5: Solve for x
    x = 288,104,777,190.76/580,352.96
  6. Step 6: Final answer
    x = 496,430.27

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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.