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Finding the Fourth Proportional to 262,958.07, 394,437.08 and 63,278.48

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Solution

The fourth proportional to 262,958.07, 394,437.08 and 63,278.48 is: 94,917.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,958.07 : 394,437.08 = 63,278.48 : x
  2. Step 2: Convert to fraction form
    262,958.07/394,437.08 = 63,278.48/x
  3. Step 3: Cross multiply
    262,958.07x = 394,437.08 × 63,278.48
  4. Step 4: Simplify right side
    262,958.07x = 24,959,378,878.04
  5. Step 5: Solve for x
    x = 24,959,378,878.04/262,958.07
  6. Step 6: Final answer
    x = 94,917.71

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1.5x scale

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.