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Finding the Fourth Proportional to 606,474.20, 908,399.10 and 325,663.40

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Solution

The fourth proportional to 606,474.20, 908,399.10 and 325,663.40 is: 487,790.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,474.20 : 908,399.10 = 325,663.40 : x
  2. Step 2: Convert to fraction form
    606,474.20/908,399.10 = 325,663.40/x
  3. Step 3: Cross multiply
    606,474.20x = 908,399.10 × 325,663.40
  4. Step 4: Simplify right side
    606,474.20x = 295,832,339,462.94
  5. Step 5: Solve for x
    x = 295,832,339,462.94/606,474.20
  6. Step 6: Final answer
    x = 487,790.48

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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.