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Finding the Fourth Proportional to 444,014.60, 665,633.10 and 266,592.20

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Solution

The fourth proportional to 444,014.60, 665,633.10 and 266,592.20 is: 399,654.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,014.60 : 665,633.10 = 266,592.20 : x
  2. Step 2: Convert to fraction form
    444,014.60/665,633.10 = 266,592.20/x
  3. Step 3: Cross multiply
    444,014.60x = 665,633.10 × 266,592.20
  4. Step 4: Simplify right side
    444,014.60x = 177,452,592,521.82
  5. Step 5: Solve for x
    x = 177,452,592,521.82/444,014.60
  6. Step 6: Final answer
    x = 399,654.86

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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.