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Finding the Fourth Proportional to 702,246.88, 969,093.79 and 379,949.91

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Solution

The fourth proportional to 702,246.88, 969,093.79 and 379,949.91 is: 524,327.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,246.88 : 969,093.79 = 379,949.91 : x
  2. Step 2: Convert to fraction form
    702,246.88/969,093.79 = 379,949.91/x
  3. Step 3: Cross multiply
    702,246.88x = 969,093.79 × 379,949.91
  4. Step 4: Simplify right side
    702,246.88x = 368,207,098,292.06
  5. Step 5: Solve for x
    x = 368,207,098,292.06/702,246.88
  6. Step 6: Final answer
    x = 524,327.14

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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.