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Finding the Fourth Proportional to 577,872.15, 797,420.19 and 323,174.13

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Solution

The fourth proportional to 577,872.15, 797,420.19 and 323,174.13 is: 445,956.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,872.15 : 797,420.19 = 323,174.13 : x
  2. Step 2: Convert to fraction form
    577,872.15/797,420.19 = 323,174.13/x
  3. Step 3: Cross multiply
    577,872.15x = 797,420.19 × 323,174.13
  4. Step 4: Simplify right side
    577,872.15x = 257,705,576,147.69
  5. Step 5: Solve for x
    x = 257,705,576,147.69/577,872.15
  6. Step 6: Final answer
    x = 445,956.04

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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.