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Finding the Fourth Proportional to 349,550.44, 484,206.21 and 342,464.56

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Solution

The fourth proportional to 349,550.44, 484,206.21 and 342,464.56 is: 474,390.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,550.44 : 484,206.21 = 342,464.56 : x
  2. Step 2: Convert to fraction form
    349,550.44/484,206.21 = 342,464.56/x
  3. Step 3: Cross multiply
    349,550.44x = 484,206.21 × 342,464.56
  4. Step 4: Simplify right side
    349,550.44x = 165,823,464,944.60
  5. Step 5: Solve for x
    x = 165,823,464,944.60/349,550.44
  6. Step 6: Final answer
    x = 474,390.66

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.