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Finding the Fourth Proportional to 293,313.35, 404,778.16 and 191,404.01

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Solution

The fourth proportional to 293,313.35, 404,778.16 and 191,404.01 is: 264,141.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,313.35 : 404,778.16 = 191,404.01 : x
  2. Step 2: Convert to fraction form
    293,313.35/404,778.16 = 191,404.01/x
  3. Step 3: Cross multiply
    293,313.35x = 404,778.16 × 191,404.01
  4. Step 4: Simplify right side
    293,313.35x = 77,476,164,235.62
  5. Step 5: Solve for x
    x = 77,476,164,235.62/293,313.35
  6. Step 6: Final answer
    x = 264,141.28

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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.