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Finding the Fourth Proportional to 609,556.96, 913,464.24 and 342,757.52

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Solution

The fourth proportional to 609,556.96, 913,464.24 and 342,757.52 is: 513,646.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,556.96 : 913,464.24 = 342,757.52 : x
  2. Step 2: Convert to fraction form
    609,556.96/913,464.24 = 342,757.52/x
  3. Step 3: Cross multiply
    609,556.96x = 913,464.24 × 342,757.52
  4. Step 4: Simplify right side
    609,556.96x = 313,096,737,511.09
  5. Step 5: Solve for x
    x = 313,096,737,511.09/609,556.96
  6. Step 6: Final answer
    x = 513,646.40

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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.