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Finding the Fourth Proportional to 379,183.34, 523,509.66 and 241,440

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Solution

The fourth proportional to 379,183.34, 523,509.66 and 241,440 is: 333,337.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,183.34 : 523,509.66 = 241,440 : x
  2. Step 2: Convert to fraction form
    379,183.34/523,509.66 = 241,440/x
  3. Step 3: Cross multiply
    379,183.34x = 523,509.66 × 241,440
  4. Step 4: Simplify right side
    379,183.34x = 126,396,172,310.40
  5. Step 5: Solve for x
    x = 126,396,172,310.40/379,183.34
  6. Step 6: Final answer
    x = 333,337.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.