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Finding the Fourth Proportional to 444,513.60, 666,770.40 and 178,315.20

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Solution

The fourth proportional to 444,513.60, 666,770.40 and 178,315.20 is: 267,472.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,513.60 : 666,770.40 = 178,315.20 : x
  2. Step 2: Convert to fraction form
    444,513.60/666,770.40 = 178,315.20/x
  3. Step 3: Cross multiply
    444,513.60x = 666,770.40 × 178,315.20
  4. Step 4: Simplify right side
    444,513.60x = 118,895,297,230.08
  5. Step 5: Solve for x
    x = 118,895,297,230.08/444,513.60
  6. Step 6: Final answer
    x = 267,472.80

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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.