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Finding the Fourth Proportional to 270,486.34, 373,264.41 and 149,634.34

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Solution

The fourth proportional to 270,486.34, 373,264.41 and 149,634.34 is: 206,491.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,486.34 : 373,264.41 = 149,634.34 : x
  2. Step 2: Convert to fraction form
    270,486.34/373,264.41 = 149,634.34/x
  3. Step 3: Cross multiply
    270,486.34x = 373,264.41 × 149,634.34
  4. Step 4: Simplify right side
    270,486.34x = 55,853,173,635.84
  5. Step 5: Solve for x
    x = 55,853,173,635.84/270,486.34
  6. Step 6: Final answer
    x = 206,491.66

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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.