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Finding the Fourth Proportional to 379,558.92, 569,329.27 and 123,391.16

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Solution

The fourth proportional to 379,558.92, 569,329.27 and 123,391.16 is: 185,083.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,558.92 : 569,329.27 = 123,391.16 : x
  2. Step 2: Convert to fraction form
    379,558.92/569,329.27 = 123,391.16/x
  3. Step 3: Cross multiply
    379,558.92x = 569,329.27 × 123,391.16
  4. Step 4: Simplify right side
    379,558.92x = 70,250,195,892.13
  5. Step 5: Solve for x
    x = 70,250,195,892.13/379,558.92
  6. Step 6: Final answer
    x = 185,083.77

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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.