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Finding the Fourth Proportional to 339,270.60, 508,130.82 and 161,902.20

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Solution

The fourth proportional to 339,270.60, 508,130.82 and 161,902.20 is: 242,483.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,270.60 : 508,130.82 = 161,902.20 : x
  2. Step 2: Convert to fraction form
    339,270.60/508,130.82 = 161,902.20/x
  3. Step 3: Cross multiply
    339,270.60x = 508,130.82 × 161,902.20
  4. Step 4: Simplify right side
    339,270.60x = 82,267,497,645.80
  5. Step 5: Solve for x
    x = 82,267,497,645.80/339,270.60
  6. Step 6: Final answer
    x = 242,483.43

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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.