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Finding the Fourth Proportional to 638,160.93, 957,238.61 and 188,883.68

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Solution

The fourth proportional to 638,160.93, 957,238.61 and 188,883.68 is: 283,324.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,160.93 : 957,238.61 = 188,883.68 : x
  2. Step 2: Convert to fraction form
    638,160.93/957,238.61 = 188,883.68/x
  3. Step 3: Cross multiply
    638,160.93x = 957,238.61 × 188,883.68
  4. Step 4: Simplify right side
    638,160.93x = 180,806,745,564.27
  5. Step 5: Solve for x
    x = 180,806,745,564.27/638,160.93
  6. Step 6: Final answer
    x = 283,324.69

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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.