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Finding the Fourth Proportional to 484,329.60, 726,235.20 and 203,529.60

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Solution

The fourth proportional to 484,329.60, 726,235.20 and 203,529.60 is: 305,185.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,329.60 : 726,235.20 = 203,529.60 : x
  2. Step 2: Convert to fraction form
    484,329.60/726,235.20 = 203,529.60/x
  3. Step 3: Cross multiply
    484,329.60x = 726,235.20 × 203,529.60
  4. Step 4: Simplify right side
    484,329.60x = 147,810,359,761.92
  5. Step 5: Solve for x
    x = 147,810,359,761.92/484,329.60
  6. Step 6: Final answer
    x = 305,185.48

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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.