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Finding the Fourth Proportional to 536,789.43, 740,778.62 and 295,082.19

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Solution

The fourth proportional to 536,789.43, 740,778.62 and 295,082.19 is: 407,218.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,789.43 : 740,778.62 = 295,082.19 : x
  2. Step 2: Convert to fraction form
    536,789.43/740,778.62 = 295,082.19/x
  3. Step 3: Cross multiply
    536,789.43x = 740,778.62 × 295,082.19
  4. Step 4: Simplify right side
    536,789.43x = 218,590,576,019.37
  5. Step 5: Solve for x
    x = 218,590,576,019.37/536,789.43
  6. Step 6: Final answer
    x = 407,218.48

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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.