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Finding the Fourth Proportional to 237,409.50, 327,624.24 and 135,434.79

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Solution

The fourth proportional to 237,409.50, 327,624.24 and 135,434.79 is: 186,899.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,409.50 : 327,624.24 = 135,434.79 : x
  2. Step 2: Convert to fraction form
    237,409.50/327,624.24 = 135,434.79/x
  3. Step 3: Cross multiply
    237,409.50x = 327,624.24 × 135,434.79
  4. Step 4: Simplify right side
    237,409.50x = 44,371,720,143.31
  5. Step 5: Solve for x
    x = 44,371,720,143.31/237,409.50
  6. Step 6: Final answer
    x = 186,899.51

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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.