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Finding the Fourth Proportional to 444,062, 666,311.68 and 207,370.28

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Solution

The fourth proportional to 444,062, 666,311.68 and 207,370.28 is: 311,157.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,062 : 666,311.68 = 207,370.28 : x
  2. Step 2: Convert to fraction form
    444,062/666,311.68 = 207,370.28/x
  3. Step 3: Cross multiply
    444,062x = 666,311.68 × 207,370.28
  4. Step 4: Simplify right side
    444,062x = 138,173,239,648.87
  5. Step 5: Solve for x
    x = 138,173,239,648.87/444,062
  6. Step 6: Final answer
    x = 311,157.54

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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.