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Finding the Fourth Proportional to 322,936.02, 484,423.83 and 98,313.12

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Solution

The fourth proportional to 322,936.02, 484,423.83 and 98,313.12 is: 147,475.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,936.02 : 484,423.83 = 98,313.12 : x
  2. Step 2: Convert to fraction form
    322,936.02/484,423.83 = 98,313.12/x
  3. Step 3: Cross multiply
    322,936.02x = 484,423.83 × 98,313.12
  4. Step 4: Simplify right side
    322,936.02x = 47,625,218,129.65
  5. Step 5: Solve for x
    x = 47,625,218,129.65/322,936.02
  6. Step 6: Final answer
    x = 147,475.71

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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.