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Finding the Fourth Proportional to 339,148.62, 508,733.79 and 170,576.94

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Solution

The fourth proportional to 339,148.62, 508,733.79 and 170,576.94 is: 255,870.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,148.62 : 508,733.79 = 170,576.94 : x
  2. Step 2: Convert to fraction form
    339,148.62/508,733.79 = 170,576.94/x
  3. Step 3: Cross multiply
    339,148.62x = 508,733.79 × 170,576.94
  4. Step 4: Simplify right side
    339,148.62x = 86,778,253,172.80
  5. Step 5: Solve for x
    x = 86,778,253,172.80/339,148.62
  6. Step 6: Final answer
    x = 255,870.87

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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.