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Finding the Fourth Proportional to 662,867.80, 994,300.62 and 164,231.80

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Solution

The fourth proportional to 662,867.80, 994,300.62 and 164,231.80 is: 246,347.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,867.80 : 994,300.62 = 164,231.80 : x
  2. Step 2: Convert to fraction form
    662,867.80/994,300.62 = 164,231.80/x
  3. Step 3: Cross multiply
    662,867.80x = 994,300.62 × 164,231.80
  4. Step 4: Simplify right side
    662,867.80x = 163,295,780,563.72
  5. Step 5: Solve for x
    x = 163,295,780,563.72/662,867.80
  6. Step 6: Final answer
    x = 246,347.43

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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.