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Finding the Fourth Proportional to 252,603.36, 378,874.80 and 196,499.52

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Solution

The fourth proportional to 252,603.36, 378,874.80 and 196,499.52 is: 294,725.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,603.36 : 378,874.80 = 196,499.52 : x
  2. Step 2: Convert to fraction form
    252,603.36/378,874.80 = 196,499.52/x
  3. Step 3: Cross multiply
    252,603.36x = 378,874.80 × 196,499.52
  4. Step 4: Simplify right side
    252,603.36x = 74,448,716,340.10
  5. Step 5: Solve for x
    x = 74,448,716,340.10/252,603.36
  6. Step 6: Final answer
    x = 294,725.76

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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.