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Finding the Fourth Proportional to 335,224.49, 503,152.74 and 122,198.30

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Solution

The fourth proportional to 335,224.49, 503,152.74 and 122,198.30 is: 183,412.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,224.49 : 503,152.74 = 122,198.30 : x
  2. Step 2: Convert to fraction form
    335,224.49/503,152.74 = 122,198.30/x
  3. Step 3: Cross multiply
    335,224.49x = 503,152.74 × 122,198.30
  4. Step 4: Simplify right side
    335,224.49x = 61,484,410,726.22
  5. Step 5: Solve for x
    x = 61,484,410,726.22/335,224.49
  6. Step 6: Final answer
    x = 183,412.64

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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.