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Finding the Fourth Proportional to 444,072.60, 665,963.10 and 163,553.40

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Solution

The fourth proportional to 444,072.60, 665,963.10 and 163,553.40 is: 245,276.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,072.60 : 665,963.10 = 163,553.40 : x
  2. Step 2: Convert to fraction form
    444,072.60/665,963.10 = 163,553.40/x
  3. Step 3: Cross multiply
    444,072.60x = 665,963.10 × 163,553.40
  4. Step 4: Simplify right side
    444,072.60x = 108,920,529,279.54
  5. Step 5: Solve for x
    x = 108,920,529,279.54/444,072.60
  6. Step 6: Final answer
    x = 245,276.40

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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.