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Finding the Fourth Proportional to 324,940.08, 487,449 and 114,534.48

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Solution

The fourth proportional to 324,940.08, 487,449 and 114,534.48 is: 171,815.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,940.08 : 487,449 = 114,534.48 : x
  2. Step 2: Convert to fraction form
    324,940.08/487,449 = 114,534.48/x
  3. Step 3: Cross multiply
    324,940.08x = 487,449 × 114,534.48
  4. Step 4: Simplify right side
    324,940.08x = 55,829,717,741.52
  5. Step 5: Solve for x
    x = 55,829,717,741.52/324,940.08
  6. Step 6: Final answer
    x = 171,815.42

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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.