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Finding the Fourth Proportional to 404,696.20, 558,481.58 and 223,408.38

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Solution

The fourth proportional to 404,696.20, 558,481.58 and 223,408.38 is: 308,304.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,696.20 : 558,481.58 = 223,408.38 : x
  2. Step 2: Convert to fraction form
    404,696.20/558,481.58 = 223,408.38/x
  3. Step 3: Cross multiply
    404,696.20x = 558,481.58 × 223,408.38
  4. Step 4: Simplify right side
    404,696.20x = 124,769,464,977.90
  5. Step 5: Solve for x
    x = 124,769,464,977.90/404,696.20
  6. Step 6: Final answer
    x = 308,304.02

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1.5x scale

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.