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Finding the Fourth Proportional to 323,055, 484,660.80 and 101,439

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Solution

The fourth proportional to 323,055, 484,660.80 and 101,439 is: 152,183.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,055 : 484,660.80 = 101,439 : x
  2. Step 2: Convert to fraction form
    323,055/484,660.80 = 101,439/x
  3. Step 3: Cross multiply
    323,055x = 484,660.80 × 101,439
  4. Step 4: Simplify right side
    323,055x = 49,163,506,891.20
  5. Step 5: Solve for x
    x = 49,163,506,891.20/323,055
  6. Step 6: Final answer
    x = 152,183.09

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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.