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Finding the Fourth Proportional to 379,388.52, 569,363.28 and 179,709.24

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Solution

The fourth proportional to 379,388.52, 569,363.28 and 179,709.24 is: 269,696.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,388.52 : 569,363.28 = 179,709.24 : x
  2. Step 2: Convert to fraction form
    379,388.52/569,363.28 = 179,709.24/x
  3. Step 3: Cross multiply
    379,388.52x = 569,363.28 × 179,709.24
  4. Step 4: Simplify right side
    379,388.52x = 102,319,842,332.71
  5. Step 5: Solve for x
    x = 102,319,842,332.71/379,388.52
  6. Step 6: Final answer
    x = 269,696.73

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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.