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Finding the Fourth Proportional to 452,469.73, 678,792.07 and 171,965.11

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Solution

The fourth proportional to 452,469.73, 678,792.07 and 171,965.11 is: 257,980.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,469.73 : 678,792.07 = 171,965.11 : x
  2. Step 2: Convert to fraction form
    452,469.73/678,792.07 = 171,965.11/x
  3. Step 3: Cross multiply
    452,469.73x = 678,792.07 × 171,965.11
  4. Step 4: Simplify right side
    452,469.73x = 116,728,553,259.04
  5. Step 5: Solve for x
    x = 116,728,553,259.04/452,469.73
  6. Step 6: Final answer
    x = 257,980.91

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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.