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Finding the Fourth Proportional to 661,951.44, 992,959.97 and 188,706.51

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Solution

The fourth proportional to 661,951.44, 992,959.97 and 188,706.51 is: 283,069.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,951.44 : 992,959.97 = 188,706.51 : x
  2. Step 2: Convert to fraction form
    661,951.44/992,959.97 = 188,706.51/x
  3. Step 3: Cross multiply
    661,951.44x = 992,959.97 × 188,706.51
  4. Step 4: Simplify right side
    661,951.44x = 187,378,009,564.87
  5. Step 5: Solve for x
    x = 187,378,009,564.87/661,951.44
  6. Step 6: Final answer
    x = 283,069.12

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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.