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Finding the Fourth Proportional to 702,236.88, 969,080.00 and 379,939.91

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Solution

The fourth proportional to 702,236.88, 969,080.00 and 379,939.91 is: 524,313.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,236.88 : 969,080.00 = 379,939.91 : x
  2. Step 2: Convert to fraction form
    702,236.88/969,080.00 = 379,939.91/x
  3. Step 3: Cross multiply
    702,236.88x = 969,080.00 × 379,939.91
  4. Step 4: Simplify right side
    702,236.88x = 368,192,161,237.70
  5. Step 5: Solve for x
    x = 368,192,161,237.70/702,236.88
  6. Step 6: Final answer
    x = 524,313.34

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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.