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Finding the Fourth Proportional to 335,364.27, 462,800.49 and 190,197.69

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Solution

The fourth proportional to 335,364.27, 462,800.49 and 190,197.69 is: 262,471.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,364.27 : 462,800.49 = 190,197.69 : x
  2. Step 2: Convert to fraction form
    335,364.27/462,800.49 = 190,197.69/x
  3. Step 3: Cross multiply
    335,364.27x = 462,800.49 × 190,197.69
  4. Step 4: Simplify right side
    335,364.27x = 88,023,584,128.87
  5. Step 5: Solve for x
    x = 88,023,584,128.87/335,364.27
  6. Step 6: Final answer
    x = 262,471.56

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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.