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Finding the Fourth Proportional to 702,694.09, 969,716.73 and 380,404.09

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Solution

The fourth proportional to 702,694.09, 969,716.73 and 380,404.09 is: 524,957.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,694.09 : 969,716.73 = 380,404.09 : x
  2. Step 2: Convert to fraction form
    702,694.09/969,716.73 = 380,404.09/x
  3. Step 3: Cross multiply
    702,694.09x = 969,716.73 × 380,404.09
  4. Step 4: Simplify right side
    702,694.09x = 368,884,210,233.43
  5. Step 5: Solve for x
    x = 368,884,210,233.43/702,694.09
  6. Step 6: Final answer
    x = 524,957.04

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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.