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Finding the Fourth Proportional to 401,049.80, 601,283.10 and 164,270.60

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Solution

The fourth proportional to 401,049.80, 601,283.10 and 164,270.60 is: 246,286.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,049.80 : 601,283.10 = 164,270.60 : x
  2. Step 2: Convert to fraction form
    401,049.80/601,283.10 = 164,270.60/x
  3. Step 3: Cross multiply
    401,049.80x = 601,283.10 × 164,270.60
  4. Step 4: Simplify right side
    401,049.80x = 98,773,135,606.86
  5. Step 5: Solve for x
    x = 98,773,135,606.86/401,049.80
  6. Step 6: Final answer
    x = 246,286.46

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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.