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Finding the Fourth Proportional to 529,401.87, 794,269.67 and 192,352.77

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Solution

The fourth proportional to 529,401.87, 794,269.67 and 192,352.77 is: 288,589.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,401.87 : 794,269.67 = 192,352.77 : x
  2. Step 2: Convert to fraction form
    529,401.87/794,269.67 = 192,352.77/x
  3. Step 3: Cross multiply
    529,401.87x = 794,269.67 × 192,352.77
  4. Step 4: Simplify right side
    529,401.87x = 152,779,970,189.72
  5. Step 5: Solve for x
    x = 152,779,970,189.72/529,401.87
  6. Step 6: Final answer
    x = 288,589.78

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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.