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Finding the Fourth Proportional to 269,929.90, 404,311.65 and 223,273.90

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Solution

The fourth proportional to 269,929.90, 404,311.65 and 223,273.90 is: 334,428.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,929.90 : 404,311.65 = 223,273.90 : x
  2. Step 2: Convert to fraction form
    269,929.90/404,311.65 = 223,273.90/x
  3. Step 3: Cross multiply
    269,929.90x = 404,311.65 × 223,273.90
  4. Step 4: Simplify right side
    269,929.90x = 90,272,238,910.94
  5. Step 5: Solve for x
    x = 90,272,238,910.94/269,929.90
  6. Step 6: Final answer
    x = 334,428.45

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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.