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Finding the Fourth Proportional to 543,082.82, 817,876.40 and 494,600.67

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Solution

The fourth proportional to 543,082.82, 817,876.40 and 494,600.67 is: 744,862.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,082.82 : 817,876.40 = 494,600.67 : x
  2. Step 2: Convert to fraction form
    543,082.82/817,876.40 = 494,600.67/x
  3. Step 3: Cross multiply
    543,082.82x = 817,876.40 × 494,600.67
  4. Step 4: Simplify right side
    543,082.82x = 404,522,212,944.19
  5. Step 5: Solve for x
    x = 404,522,212,944.19/543,082.82
  6. Step 6: Final answer
    x = 744,862.85

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.