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Finding the Fourth Proportional to 395,998.20, 594,143.10 and 159,510.60

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Solution

The fourth proportional to 395,998.20, 594,143.10 and 159,510.60 is: 239,324.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,998.20 : 594,143.10 = 159,510.60 : x
  2. Step 2: Convert to fraction form
    395,998.20/594,143.10 = 159,510.60/x
  3. Step 3: Cross multiply
    395,998.20x = 594,143.10 × 159,510.60
  4. Step 4: Simplify right side
    395,998.20x = 94,772,122,366.86
  5. Step 5: Solve for x
    x = 94,772,122,366.86/395,998.20
  6. Step 6: Final answer
    x = 239,324.63

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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.