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Finding the Fourth Proportional to 397,272.80, 595,909.20 and 226,030.70

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Solution

The fourth proportional to 397,272.80, 595,909.20 and 226,030.70 is: 339,046.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,272.80 : 595,909.20 = 226,030.70 : x
  2. Step 2: Convert to fraction form
    397,272.80/595,909.20 = 226,030.70/x
  3. Step 3: Cross multiply
    397,272.80x = 595,909.20 × 226,030.70
  4. Step 4: Simplify right side
    397,272.80x = 134,693,773,612.44
  5. Step 5: Solve for x
    x = 134,693,773,612.44/397,272.80
  6. Step 6: Final answer
    x = 339,046.05

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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.