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Finding the Fourth Proportional to 543,008.87, 814,514.30 and 222,937.86

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Solution

The fourth proportional to 543,008.87, 814,514.30 and 222,937.86 is: 334,407.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,008.87 : 814,514.30 = 222,937.86 : x
  2. Step 2: Convert to fraction form
    543,008.87/814,514.30 = 222,937.86/x
  3. Step 3: Cross multiply
    543,008.87x = 814,514.30 × 222,937.86
  4. Step 4: Simplify right side
    543,008.87x = 181,586,074,981.40
  5. Step 5: Solve for x
    x = 181,586,074,981.40/543,008.87
  6. Step 6: Final answer
    x = 334,407.20

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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.