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Finding the Fourth Proportional to 494,179.65, 740,422.42 and 331,769.52

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Solution

The fourth proportional to 494,179.65, 740,422.42 and 331,769.52 is: 497,085.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,179.65 : 740,422.42 = 331,769.52 : x
  2. Step 2: Convert to fraction form
    494,179.65/740,422.42 = 331,769.52/x
  3. Step 3: Cross multiply
    494,179.65x = 740,422.42 × 331,769.52
  4. Step 4: Simplify right side
    494,179.65x = 245,649,590,051.22
  5. Step 5: Solve for x
    x = 245,649,590,051.22/494,179.65
  6. Step 6: Final answer
    x = 497,085.60

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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.