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Finding the Fourth Proportional to 484,281.60, 726,163.20 and 203,481.60

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Solution

The fourth proportional to 484,281.60, 726,163.20 and 203,481.60 is: 305,113.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,281.60 : 726,163.20 = 203,481.60 : x
  2. Step 2: Convert to fraction form
    484,281.60/726,163.20 = 203,481.60/x
  3. Step 3: Cross multiply
    484,281.60x = 726,163.20 × 203,481.60
  4. Step 4: Simplify right side
    484,281.60x = 147,760,849,797.12
  5. Step 5: Solve for x
    x = 147,760,849,797.12/484,281.60
  6. Step 6: Final answer
    x = 305,113.49

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1.5x scale

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.