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Finding the Fourth Proportional to 340,499.63, 469,879.85 and 185,447.41

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Solution

The fourth proportional to 340,499.63, 469,879.85 and 185,447.41 is: 255,912.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,499.63 : 469,879.85 = 185,447.41 : x
  2. Step 2: Convert to fraction form
    340,499.63/469,879.85 = 185,447.41/x
  3. Step 3: Cross multiply
    340,499.63x = 469,879.85 × 185,447.41
  4. Step 4: Simplify right side
    340,499.63x = 87,137,998,844.29
  5. Step 5: Solve for x
    x = 87,137,998,844.29/340,499.63
  6. Step 6: Final answer
    x = 255,912.17

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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.