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Finding the Fourth Proportional to 326,006.60, 488,232.30 and 159,600.20

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Solution

The fourth proportional to 326,006.60, 488,232.30 and 159,600.20 is: 239,019.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,006.60 : 488,232.30 = 159,600.20 : x
  2. Step 2: Convert to fraction form
    326,006.60/488,232.30 = 159,600.20/x
  3. Step 3: Cross multiply
    326,006.60x = 488,232.30 × 159,600.20
  4. Step 4: Simplify right side
    326,006.60x = 77,921,972,726.46
  5. Step 5: Solve for x
    x = 77,921,972,726.46/326,006.60
  6. Step 6: Final answer
    x = 239,019.62

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1.5x scale

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.