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Finding the Fourth Proportional to 308,548.20, 462,822.30 and 166,830.60

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Solution

The fourth proportional to 308,548.20, 462,822.30 and 166,830.60 is: 250,245.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,548.20 : 462,822.30 = 166,830.60 : x
  2. Step 2: Convert to fraction form
    308,548.20/462,822.30 = 166,830.60/x
  3. Step 3: Cross multiply
    308,548.20x = 462,822.30 × 166,830.60
  4. Step 4: Simplify right side
    308,548.20x = 77,212,922,002.38
  5. Step 5: Solve for x
    x = 77,212,922,002.38/308,548.20
  6. Step 6: Final answer
    x = 250,245.90

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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.