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Finding the Fourth Proportional to 577,872.65, 797,420.88 and 323,174.63

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Solution

The fourth proportional to 577,872.65, 797,420.88 and 323,174.63 is: 445,956.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,872.65 : 797,420.88 = 323,174.63 : x
  2. Step 2: Convert to fraction form
    577,872.65/797,420.88 = 323,174.63/x
  3. Step 3: Cross multiply
    577,872.65x = 797,420.88 × 323,174.63
  4. Step 4: Simplify right side
    577,872.65x = 257,706,193,861.17
  5. Step 5: Solve for x
    x = 257,706,193,861.17/577,872.65
  6. Step 6: Final answer
    x = 445,956.73

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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.