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Finding the Fourth Proportional to 441,816.20, 662,724.30 and 109,392.20

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Solution

The fourth proportional to 441,816.20, 662,724.30 and 109,392.20 is: 164,088.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,816.20 : 662,724.30 = 109,392.20 : x
  2. Step 2: Convert to fraction form
    441,816.20/662,724.30 = 109,392.20/x
  3. Step 3: Cross multiply
    441,816.20x = 662,724.30 × 109,392.20
  4. Step 4: Simplify right side
    441,816.20x = 72,496,865,856.84
  5. Step 5: Solve for x
    x = 72,496,865,856.84/441,816.20
  6. Step 6: Final answer
    x = 164,088.29

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Similar ratio
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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.