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Finding the Fourth Proportional to 237,405.88, 327,638.31 and 135,433.59

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Solution

The fourth proportional to 237,405.88, 327,638.31 and 135,433.59 is: 186,908.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,405.88 : 327,638.31 = 135,433.59 : x
  2. Step 2: Convert to fraction form
    237,405.88/327,638.31 = 135,433.59/x
  3. Step 3: Cross multiply
    237,405.88x = 327,638.31 × 135,433.59
  4. Step 4: Simplify right side
    237,405.88x = 44,373,232,544.83
  5. Step 5: Solve for x
    x = 44,373,232,544.83/237,405.88
  6. Step 6: Final answer
    x = 186,908.73

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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.