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Finding the Fourth Proportional to 662,839.92, 994,389.84 and 263,406.24

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Solution

The fourth proportional to 662,839.92, 994,389.84 and 263,406.24 is: 395,161.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,839.92 : 994,389.84 = 263,406.24 : x
  2. Step 2: Convert to fraction form
    662,839.92/994,389.84 = 263,406.24/x
  3. Step 3: Cross multiply
    662,839.92x = 994,389.84 × 263,406.24
  4. Step 4: Simplify right side
    662,839.92x = 261,928,488,848.60
  5. Step 5: Solve for x
    x = 261,928,488,848.60/662,839.92
  6. Step 6: Final answer
    x = 395,161.00

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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.