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Finding the Fourth Proportional to 338,871.33, 508,308.74 and 114,233.73

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Solution

The fourth proportional to 338,871.33, 508,308.74 and 114,233.73 is: 171,351.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,871.33 : 508,308.74 = 114,233.73 : x
  2. Step 2: Convert to fraction form
    338,871.33/508,308.74 = 114,233.73/x
  3. Step 3: Cross multiply
    338,871.33x = 508,308.74 × 114,233.73
  4. Step 4: Simplify right side
    338,871.33x = 58,066,002,790.63
  5. Step 5: Solve for x
    x = 58,066,002,790.63/338,871.33
  6. Step 6: Final answer
    x = 171,351.18

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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.