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Finding the Fourth Proportional to 543,576.54, 815,336.01 and 169,556.70

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Solution

The fourth proportional to 543,576.54, 815,336.01 and 169,556.70 is: 254,326.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,576.54 : 815,336.01 = 169,556.70 : x
  2. Step 2: Convert to fraction form
    543,576.54/815,336.01 = 169,556.70/x
  3. Step 3: Cross multiply
    543,576.54x = 815,336.01 × 169,556.70
  4. Step 4: Simplify right side
    543,576.54x = 138,245,683,246.77
  5. Step 5: Solve for x
    x = 138,245,683,246.77/543,576.54
  6. Step 6: Final answer
    x = 254,326.07

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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.