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Finding the Fourth Proportional to 349,962, 482,947.56 and 190,986

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Solution

The fourth proportional to 349,962, 482,947.56 and 190,986 is: 263,560.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,962 : 482,947.56 = 190,986 : x
  2. Step 2: Convert to fraction form
    349,962/482,947.56 = 190,986/x
  3. Step 3: Cross multiply
    349,962x = 482,947.56 × 190,986
  4. Step 4: Simplify right side
    349,962x = 92,236,222,694.16
  5. Step 5: Solve for x
    x = 92,236,222,694.16/349,962
  6. Step 6: Final answer
    x = 263,560.68

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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.