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Finding the Fourth Proportional to 577,956.52, 866,993.10 and 218,037.07

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Solution

The fourth proportional to 577,956.52, 866,993.10 and 218,037.07 is: 327,077.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,956.52 : 866,993.10 = 218,037.07 : x
  2. Step 2: Convert to fraction form
    577,956.52/866,993.10 = 218,037.07/x
  3. Step 3: Cross multiply
    577,956.52x = 866,993.10 × 218,037.07
  4. Step 4: Simplify right side
    577,956.52x = 189,036,635,234.22
  5. Step 5: Solve for x
    x = 189,036,635,234.22/577,956.52
  6. Step 6: Final answer
    x = 327,077.61

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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.