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Finding the Fourth Proportional to 484,233.60, 726,091.20 and 203,433.60

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Solution

The fourth proportional to 484,233.60, 726,091.20 and 203,433.60 is: 305,041.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,233.60 : 726,091.20 = 203,433.60 : x
  2. Step 2: Convert to fraction form
    484,233.60/726,091.20 = 203,433.60/x
  3. Step 3: Cross multiply
    484,233.60x = 726,091.20 × 203,433.60
  4. Step 4: Simplify right side
    484,233.60x = 147,711,346,744.32
  5. Step 5: Solve for x
    x = 147,711,346,744.32/484,233.60
  6. Step 6: Final answer
    x = 305,041.51

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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.