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Finding the Fourth Proportional to 484,953.82, 669,236.21 and 270,093.83

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Solution

The fourth proportional to 484,953.82, 669,236.21 and 270,093.83 is: 372,729.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,953.82 : 669,236.21 = 270,093.83 : x
  2. Step 2: Convert to fraction form
    484,953.82/669,236.21 = 270,093.83/x
  3. Step 3: Cross multiply
    484,953.82x = 669,236.21 × 270,093.83
  4. Step 4: Simplify right side
    484,953.82x = 180,756,567,449.79
  5. Step 5: Solve for x
    x = 180,756,567,449.79/484,953.82
  6. Step 6: Final answer
    x = 372,729.45

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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.