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Finding the Fourth Proportional to 204,893.28, 307,394.64 and 64,654.56

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Solution

The fourth proportional to 204,893.28, 307,394.64 and 64,654.56 is: 96,999.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,893.28 : 307,394.64 = 64,654.56 : x
  2. Step 2: Convert to fraction form
    204,893.28/307,394.64 = 64,654.56/x
  3. Step 3: Cross multiply
    204,893.28x = 307,394.64 × 64,654.56
  4. Step 4: Simplify right side
    204,893.28x = 19,874,465,195.56
  5. Step 5: Solve for x
    x = 19,874,465,195.56/204,893.28
  6. Step 6: Final answer
    x = 96,999.11

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1.5x scale

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.