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Finding the Fourth Proportional to 454,383.33, 681,731.79 and 201,840.72

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Solution

The fourth proportional to 454,383.33, 681,731.79 and 201,840.72 is: 302,830.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,383.33 : 681,731.79 = 201,840.72 : x
  2. Step 2: Convert to fraction form
    454,383.33/681,731.79 = 201,840.72/x
  3. Step 3: Cross multiply
    454,383.33x = 681,731.79 × 201,840.72
  4. Step 4: Simplify right side
    454,383.33x = 137,601,235,340.49
  5. Step 5: Solve for x
    x = 137,601,235,340.49/454,383.33
  6. Step 6: Final answer
    x = 302,830.73

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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.