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Finding the Fourth Proportional to 278,525.46, 417,410.67 and 203,292.66

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Solution

The fourth proportional to 278,525.46, 417,410.67 and 203,292.66 is: 304,663.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,525.46 : 417,410.67 = 203,292.66 : x
  2. Step 2: Convert to fraction form
    278,525.46/417,410.67 = 203,292.66/x
  3. Step 3: Cross multiply
    278,525.46x = 417,410.67 × 203,292.66
  4. Step 4: Simplify right side
    278,525.46x = 84,856,525,416.68
  5. Step 5: Solve for x
    x = 84,856,525,416.68/278,525.46
  6. Step 6: Final answer
    x = 304,663.44

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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.