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Finding the Fourth Proportional to 339,548.60, 508,739.70 and 161,672.60

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Solution

The fourth proportional to 339,548.60, 508,739.70 and 161,672.60 is: 242,231.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,548.60 : 508,739.70 = 161,672.60 : x
  2. Step 2: Convert to fraction form
    339,548.60/508,739.70 = 161,672.60/x
  3. Step 3: Cross multiply
    339,548.60x = 508,739.70 × 161,672.60
  4. Step 4: Simplify right side
    339,548.60x = 82,249,270,022.22
  5. Step 5: Solve for x
    x = 82,249,270,022.22/339,548.60
  6. Step 6: Final answer
    x = 242,231.22

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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.