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Finding the Fourth Proportional to 349,360.56, 482,058.68 and 196,378.56

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Solution

The fourth proportional to 349,360.56, 482,058.68 and 196,378.56 is: 270,969.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,360.56 : 482,058.68 = 196,378.56 : x
  2. Step 2: Convert to fraction form
    349,360.56/482,058.68 = 196,378.56/x
  3. Step 3: Cross multiply
    349,360.56x = 482,058.68 × 196,378.56
  4. Step 4: Simplify right side
    349,360.56x = 94,665,988,432.01
  5. Step 5: Solve for x
    x = 94,665,988,432.01/349,360.56
  6. Step 6: Final answer
    x = 270,969.31

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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.