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Finding the Fourth Proportional to 555,279.33, 832,969.82 and 155,917.41

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Solution

The fourth proportional to 555,279.33, 832,969.82 and 155,917.41 is: 233,890.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,279.33 : 832,969.82 = 155,917.41 : x
  2. Step 2: Convert to fraction form
    555,279.33/832,969.82 = 155,917.41/x
  3. Step 3: Cross multiply
    555,279.33x = 832,969.82 × 155,917.41
  4. Step 4: Simplify right side
    555,279.33x = 129,874,493,331.69
  5. Step 5: Solve for x
    x = 129,874,493,331.69/555,279.33
  6. Step 6: Final answer
    x = 233,890.38

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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.