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Finding the Fourth Proportional to 481,372.40, 723,613.80 and 444,047.60

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Solution

The fourth proportional to 481,372.40, 723,613.80 and 444,047.60 is: 667,506.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,372.40 : 723,613.80 = 444,047.60 : x
  2. Step 2: Convert to fraction form
    481,372.40/723,613.80 = 444,047.60/x
  3. Step 3: Cross multiply
    481,372.40x = 723,613.80 × 444,047.60
  4. Step 4: Simplify right side
    481,372.40x = 321,318,971,216.88
  5. Step 5: Solve for x
    x = 321,318,971,216.88/481,372.40
  6. Step 6: Final answer
    x = 667,506.01

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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.