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Finding the Fourth Proportional to 479,244.14, 661,324.20 and 264,387.80

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Solution

The fourth proportional to 479,244.14, 661,324.20 and 264,387.80 is: 364,837.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,244.14 : 661,324.20 = 264,387.80 : x
  2. Step 2: Convert to fraction form
    479,244.14/661,324.20 = 264,387.80/x
  3. Step 3: Cross multiply
    479,244.14x = 661,324.20 × 264,387.80
  4. Step 4: Simplify right side
    479,244.14x = 174,846,047,266.67
  5. Step 5: Solve for x
    x = 174,846,047,266.67/479,244.14
  6. Step 6: Final answer
    x = 364,837.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.