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Finding the Fourth Proportional to 535,758.92, 739,392.67 and 294,082.43

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Solution

The fourth proportional to 535,758.92, 739,392.67 and 294,082.43 is: 405,858.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,758.92 : 739,392.67 = 294,082.43 : x
  2. Step 2: Convert to fraction form
    535,758.92/739,392.67 = 294,082.43/x
  3. Step 3: Cross multiply
    535,758.92x = 739,392.67 × 294,082.43
  4. Step 4: Simplify right side
    535,758.92x = 217,442,389,788.43
  5. Step 5: Solve for x
    x = 217,442,389,788.43/535,758.92
  6. Step 6: Final answer
    x = 405,858.65

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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.