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Finding the Fourth Proportional to 702,082.28, 968,870.67 and 379,791.59

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Solution

The fourth proportional to 702,082.28, 968,870.67 and 379,791.59 is: 524,110.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,082.28 : 968,870.67 = 379,791.59 : x
  2. Step 2: Convert to fraction form
    702,082.28/968,870.67 = 379,791.59/x
  3. Step 3: Cross multiply
    702,082.28x = 968,870.67 × 379,791.59
  4. Step 4: Simplify right side
    702,082.28x = 367,968,925,995.09
  5. Step 5: Solve for x
    x = 367,968,925,995.09/702,082.28
  6. Step 6: Final answer
    x = 524,110.83

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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.