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Finding the Fourth Proportional to 617,283.72, 925,289.82 and 350,480.61

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Solution

The fourth proportional to 617,283.72, 925,289.82 and 350,480.61 is: 525,359.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,283.72 : 925,289.82 = 350,480.61 : x
  2. Step 2: Convert to fraction form
    617,283.72/925,289.82 = 350,480.61/x
  3. Step 3: Cross multiply
    617,283.72x = 925,289.82 × 350,480.61
  4. Step 4: Simplify right side
    617,283.72x = 324,296,140,540.39
  5. Step 5: Solve for x
    x = 324,296,140,540.39/617,283.72
  6. Step 6: Final answer
    x = 525,359.94

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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.