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Finding the Fourth Proportional to 606,342.20, 908,201.10 and 325,531.40

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Solution

The fourth proportional to 606,342.20, 908,201.10 and 325,531.40 is: 487,592.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,342.20 : 908,201.10 = 325,531.40 : x
  2. Step 2: Convert to fraction form
    606,342.20/908,201.10 = 325,531.40/x
  3. Step 3: Cross multiply
    606,342.20x = 908,201.10 × 325,531.40
  4. Step 4: Simplify right side
    606,342.20x = 295,647,975,564.54
  5. Step 5: Solve for x
    x = 295,647,975,564.54/606,342.20
  6. Step 6: Final answer
    x = 487,592.61

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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.