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Finding the Fourth Proportional to 662,853.92, 994,410.84 and 263,420.24

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Solution

The fourth proportional to 662,853.92, 994,410.84 and 263,420.24 is: 395,182.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,853.92 : 994,410.84 = 263,420.24 : x
  2. Step 2: Convert to fraction form
    662,853.92/994,410.84 = 263,420.24/x
  3. Step 3: Cross multiply
    662,853.92x = 994,410.84 × 263,420.24
  4. Step 4: Simplify right side
    662,853.92x = 261,947,942,131.40
  5. Step 5: Solve for x
    x = 261,947,942,131.40/662,853.92
  6. Step 6: Final answer
    x = 395,182.01

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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.