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Finding the Fourth Proportional to 583,593.78, 875,467.20 and 228,561.66

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Solution

The fourth proportional to 583,593.78, 875,467.20 and 228,561.66 is: 342,872.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,593.78 : 875,467.20 = 228,561.66 : x
  2. Step 2: Convert to fraction form
    583,593.78/875,467.20 = 228,561.66/x
  3. Step 3: Cross multiply
    583,593.78x = 875,467.20 × 228,561.66
  4. Step 4: Simplify right side
    583,593.78x = 200,098,236,507.55
  5. Step 5: Solve for x
    x = 200,098,236,507.55/583,593.78
  6. Step 6: Final answer
    x = 342,872.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.