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Finding the Fourth Proportional to 441,817.32, 662,803.90 and 161,725.80

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Solution

The fourth proportional to 441,817.32, 662,803.90 and 161,725.80 is: 242,617.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,817.32 : 662,803.90 = 161,725.80 : x
  2. Step 2: Convert to fraction form
    441,817.32/662,803.90 = 161,725.80/x
  3. Step 3: Cross multiply
    441,817.32x = 662,803.90 × 161,725.80
  4. Step 4: Simplify right side
    441,817.32x = 107,192,490,970.62
  5. Step 5: Solve for x
    x = 107,192,490,970.62/441,817.32
  6. Step 6: Final answer
    x = 242,617.22

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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.