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Finding the Fourth Proportional to 702,372.23, 969,276.23 and 380,082.29

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Solution

The fourth proportional to 702,372.23, 969,276.23 and 380,082.29 is: 524,514.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,372.23 : 969,276.23 = 380,082.29 : x
  2. Step 2: Convert to fraction form
    702,372.23/969,276.23 = 380,082.29/x
  3. Step 3: Cross multiply
    702,372.23x = 969,276.23 × 380,082.29
  4. Step 4: Simplify right side
    702,372.23x = 368,404,729,140.97
  5. Step 5: Solve for x
    x = 368,404,729,140.97/702,372.23
  6. Step 6: Final answer
    x = 524,514.94

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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.