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Finding the Fourth Proportional to 304,407.36, 456,614.12 and 135,936.27

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Solution

The fourth proportional to 304,407.36, 456,614.12 and 135,936.27 is: 203,905.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,407.36 : 456,614.12 = 135,936.27 : x
  2. Step 2: Convert to fraction form
    304,407.36/456,614.12 = 135,936.27/x
  3. Step 3: Cross multiply
    304,407.36x = 456,614.12 × 135,936.27
  4. Step 4: Simplify right side
    304,407.36x = 62,070,420,641.97
  5. Step 5: Solve for x
    x = 62,070,420,641.97/304,407.36
  6. Step 6: Final answer
    x = 203,905.78

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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.