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Finding the Fourth Proportional to 345,591.68, 477,005.52 and 225,033.92

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Solution

The fourth proportional to 345,591.68, 477,005.52 and 225,033.92 is: 310,604.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,591.68 : 477,005.52 = 225,033.92 : x
  2. Step 2: Convert to fraction form
    345,591.68/477,005.52 = 225,033.92/x
  3. Step 3: Cross multiply
    345,591.68x = 477,005.52 × 225,033.92
  4. Step 4: Simplify right side
    345,591.68x = 107,342,422,027.24
  5. Step 5: Solve for x
    x = 107,342,422,027.24/345,591.68
  6. Step 6: Final answer
    x = 310,604.76

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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.