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Finding the Fourth Proportional to 332,605.48, 499,105.06 and 122,391.04

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Solution

The fourth proportional to 332,605.48, 499,105.06 and 122,391.04 is: 183,658.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,605.48 : 499,105.06 = 122,391.04 : x
  2. Step 2: Convert to fraction form
    332,605.48/499,105.06 = 122,391.04/x
  3. Step 3: Cross multiply
    332,605.48x = 499,105.06 × 122,391.04
  4. Step 4: Simplify right side
    332,605.48x = 61,085,987,362.66
  5. Step 5: Solve for x
    x = 61,085,987,362.66/332,605.48
  6. Step 6: Final answer
    x = 183,658.99

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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.