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Finding the Fourth Proportional to 296,336.46, 408,900.30 and 179,989.38

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Solution

The fourth proportional to 296,336.46, 408,900.30 and 179,989.38 is: 248,358.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,336.46 : 408,900.30 = 179,989.38 : x
  2. Step 2: Convert to fraction form
    296,336.46/408,900.30 = 179,989.38/x
  3. Step 3: Cross multiply
    296,336.46x = 408,900.30 × 179,989.38
  4. Step 4: Simplify right side
    296,336.46x = 73,597,711,816.29
  5. Step 5: Solve for x
    x = 73,597,711,816.29/296,336.46
  6. Step 6: Final answer
    x = 248,358.61

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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.