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Finding the Fourth Proportional to 344,048, 474,786.24 and 193,145

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Solution

The fourth proportional to 344,048, 474,786.24 and 193,145 is: 266,540.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,048 : 474,786.24 = 193,145 : x
  2. Step 2: Convert to fraction form
    344,048/474,786.24 = 193,145/x
  3. Step 3: Cross multiply
    344,048x = 474,786.24 × 193,145
  4. Step 4: Simplify right side
    344,048x = 91,702,588,324.80
  5. Step 5: Solve for x
    x = 91,702,588,324.80/344,048
  6. Step 6: Final answer
    x = 266,540.10

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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.