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Finding the Fourth Proportional to 323,022.74, 484,553.75 and 98,399.61

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Solution

The fourth proportional to 323,022.74, 484,553.75 and 98,399.61 is: 147,605.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,022.74 : 484,553.75 = 98,399.61 : x
  2. Step 2: Convert to fraction form
    323,022.74/484,553.75 = 98,399.61/x
  3. Step 3: Cross multiply
    323,022.74x = 484,553.75 × 98,399.61
  4. Step 4: Simplify right side
    323,022.74x = 47,679,899,532.04
  5. Step 5: Solve for x
    x = 47,679,899,532.04/323,022.74
  6. Step 6: Final answer
    x = 147,605.40

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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.