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Finding the Fourth Proportional to 491,879.55, 737,749.25 and 154,911.44

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Solution

The fourth proportional to 491,879.55, 737,749.25 and 154,911.44 is: 232,345.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,879.55 : 737,749.25 = 154,911.44 : x
  2. Step 2: Convert to fraction form
    491,879.55/737,749.25 = 154,911.44/x
  3. Step 3: Cross multiply
    491,879.55x = 737,749.25 × 154,911.44
  4. Step 4: Simplify right side
    491,879.55x = 114,285,796,177.31
  5. Step 5: Solve for x
    x = 114,285,796,177.31/491,879.55
  6. Step 6: Final answer
    x = 232,345.08

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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.