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Finding the Fourth Proportional to 504,580.05, 756,721.49 and 188,963.15

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Solution

The fourth proportional to 504,580.05, 756,721.49 and 188,963.15 is: 283,389.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,580.05 : 756,721.49 = 188,963.15 : x
  2. Step 2: Convert to fraction form
    504,580.05/756,721.49 = 188,963.15/x
  3. Step 3: Cross multiply
    504,580.05x = 756,721.49 × 188,963.15
  4. Step 4: Simplify right side
    504,580.05x = 142,992,471,694.67
  5. Step 5: Solve for x
    x = 142,992,471,694.67/504,580.05
  6. Step 6: Final answer
    x = 283,389.07

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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.