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Finding the Fourth Proportional to 354,287.52, 531,684 and 196,642.08

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Solution

The fourth proportional to 354,287.52, 531,684 and 196,642.08 is: 295,103.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,287.52 : 531,684 = 196,642.08 : x
  2. Step 2: Convert to fraction form
    354,287.52/531,684 = 196,642.08/x
  3. Step 3: Cross multiply
    354,287.52x = 531,684 × 196,642.08
  4. Step 4: Simplify right side
    354,287.52x = 104,551,447,662.72
  5. Step 5: Solve for x
    x = 104,551,447,662.72/354,287.52
  6. Step 6: Final answer
    x = 295,103.39

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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.