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Finding the Fourth Proportional to 346,879.82, 520,311.60 and 159,891.32

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Solution

The fourth proportional to 346,879.82, 520,311.60 and 159,891.32 is: 239,833.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,879.82 : 520,311.60 = 159,891.32 : x
  2. Step 2: Convert to fraction form
    346,879.82/520,311.60 = 159,891.32/x
  3. Step 3: Cross multiply
    346,879.82x = 520,311.60 × 159,891.32
  4. Step 4: Simplify right side
    346,879.82x = 83,193,308,535.31
  5. Step 5: Solve for x
    x = 83,193,308,535.31/346,879.82
  6. Step 6: Final answer
    x = 239,833.23

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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.