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Finding the Fourth Proportional to 303,206.64, 418,415.49 and 167,246.52

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Solution

The fourth proportional to 303,206.64, 418,415.49 and 167,246.52 is: 230,794.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,206.64 : 418,415.49 = 167,246.52 : x
  2. Step 2: Convert to fraction form
    303,206.64/418,415.49 = 167,246.52/x
  3. Step 3: Cross multiply
    303,206.64x = 418,415.49 × 167,246.52
  4. Step 4: Simplify right side
    303,206.64x = 69,978,534,616.59
  5. Step 5: Solve for x
    x = 69,978,534,616.59/303,206.64
  6. Step 6: Final answer
    x = 230,794.86

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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.