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Finding the Fourth Proportional to 404,269.80, 606,842.10 and 227,122.80

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Solution

The fourth proportional to 404,269.80, 606,842.10 and 227,122.80 is: 340,929.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,269.80 : 606,842.10 = 227,122.80 : x
  2. Step 2: Convert to fraction form
    404,269.80/606,842.10 = 227,122.80/x
  3. Step 3: Cross multiply
    404,269.80x = 606,842.10 × 227,122.80
  4. Step 4: Simplify right side
    404,269.80x = 137,827,676,909.88
  5. Step 5: Solve for x
    x = 137,827,676,909.88/404,269.80
  6. Step 6: Final answer
    x = 340,929.94

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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.