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Finding the Fourth Proportional to 444,641.21, 666,553.13 and 160,262.16

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Solution

The fourth proportional to 444,641.21, 666,553.13 and 160,262.16 is: 240,245.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,641.21 : 666,553.13 = 160,262.16 : x
  2. Step 2: Convert to fraction form
    444,641.21/666,553.13 = 160,262.16/x
  3. Step 3: Cross multiply
    444,641.21x = 666,553.13 × 160,262.16
  4. Step 4: Simplify right side
    444,641.21x = 106,823,244,168.23
  5. Step 5: Solve for x
    x = 106,823,244,168.23/444,641.21
  6. Step 6: Final answer
    x = 240,245.94

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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.