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Finding the Fourth Proportional to 296,035.92, 408,535.56 and 161,908.56

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Solution

The fourth proportional to 296,035.92, 408,535.56 and 161,908.56 is: 223,437.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,035.92 : 408,535.56 = 161,908.56 : x
  2. Step 2: Convert to fraction form
    296,035.92/408,535.56 = 161,908.56/x
  3. Step 3: Cross multiply
    296,035.92x = 408,535.56 × 161,908.56
  4. Step 4: Simplify right side
    296,035.92x = 66,145,404,228.39
  5. Step 5: Solve for x
    x = 66,145,404,228.39/296,035.92
  6. Step 6: Final answer
    x = 223,437.09

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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.