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Finding the Fourth Proportional to 444,046.40, 666,069.60 and 264,420.80

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Solution

The fourth proportional to 444,046.40, 666,069.60 and 264,420.80 is: 396,631.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,046.40 : 666,069.60 = 264,420.80 : x
  2. Step 2: Convert to fraction form
    444,046.40/666,069.60 = 264,420.80/x
  3. Step 3: Cross multiply
    444,046.40x = 666,069.60 × 264,420.80
  4. Step 4: Simplify right side
    444,046.40x = 176,122,656,487.68
  5. Step 5: Solve for x
    x = 176,122,656,487.68/444,046.40
  6. Step 6: Final answer
    x = 396,631.20

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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.