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Finding the Fourth Proportional to 447,958.50, 618,182.74 and 246,754.50

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Solution

The fourth proportional to 447,958.50, 618,182.74 and 246,754.50 is: 340,521.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,958.50 : 618,182.74 = 246,754.50 : x
  2. Step 2: Convert to fraction form
    447,958.50/618,182.74 = 246,754.50/x
  3. Step 3: Cross multiply
    447,958.50x = 618,182.74 × 246,754.50
  4. Step 4: Simplify right side
    447,958.50x = 152,539,372,917.33
  5. Step 5: Solve for x
    x = 152,539,372,917.33/447,958.50
  6. Step 6: Final answer
    x = 340,521.22

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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.