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Finding the Fourth Proportional to 398,155.88, 597,479.26 and 161,500.62

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Solution

The fourth proportional to 398,155.88, 597,479.26 and 161,500.62 is: 242,350.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,155.88 : 597,479.26 = 161,500.62 : x
  2. Step 2: Convert to fraction form
    398,155.88/597,479.26 = 161,500.62/x
  3. Step 3: Cross multiply
    398,155.88x = 597,479.26 × 161,500.62
  4. Step 4: Simplify right side
    398,155.88x = 96,493,270,927.14
  5. Step 5: Solve for x
    x = 96,493,270,927.14/398,155.88
  6. Step 6: Final answer
    x = 242,350.49

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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.