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Finding the Fourth Proportional to 369,377.92, 555,067.36 and 201,022.72

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Solution

The fourth proportional to 369,377.92, 555,067.36 and 201,022.72 is: 302,078.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,377.92 : 555,067.36 = 201,022.72 : x
  2. Step 2: Convert to fraction form
    369,377.92/555,067.36 = 201,022.72/x
  3. Step 3: Cross multiply
    369,377.92x = 555,067.36 × 201,022.72
  4. Step 4: Simplify right side
    369,377.92x = 111,581,150,490.42
  5. Step 5: Solve for x
    x = 111,581,150,490.42/369,377.92
  6. Step 6: Final answer
    x = 302,078.56

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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.