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Finding the Fourth Proportional to 326,007.10, 488,233.05 and 159,600.70

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Solution

The fourth proportional to 326,007.10, 488,233.05 and 159,600.70 is: 239,020.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,007.10 : 488,233.05 = 159,600.70 : x
  2. Step 2: Convert to fraction form
    326,007.10/488,233.05 = 159,600.70/x
  3. Step 3: Cross multiply
    326,007.10x = 488,233.05 × 159,600.70
  4. Step 4: Simplify right side
    326,007.10x = 77,922,336,543.14
  5. Step 5: Solve for x
    x = 77,922,336,543.14/326,007.10
  6. Step 6: Final answer
    x = 239,020.37

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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.