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Finding the Fourth Proportional to 484,328.55, 726,493.41 and 231,549.60

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Solution

The fourth proportional to 484,328.55, 726,493.41 and 231,549.60 is: 347,324.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,328.55 : 726,493.41 = 231,549.60 : x
  2. Step 2: Convert to fraction form
    484,328.55/726,493.41 = 231,549.60/x
  3. Step 3: Cross multiply
    484,328.55x = 726,493.41 × 231,549.60
  4. Step 4: Simplify right side
    484,328.55x = 168,219,258,488.14
  5. Step 5: Solve for x
    x = 168,219,258,488.14/484,328.55
  6. Step 6: Final answer
    x = 347,324.68

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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.