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Finding the Fourth Proportional to 263,020.20, 393,904.04 and 167,955.92

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Solution

The fourth proportional to 263,020.20, 393,904.04 and 167,955.92 is: 251,533.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,020.20 : 393,904.04 = 167,955.92 : x
  2. Step 2: Convert to fraction form
    263,020.20/393,904.04 = 167,955.92/x
  3. Step 3: Cross multiply
    263,020.20x = 393,904.04 × 167,955.92
  4. Step 4: Simplify right side
    263,020.20x = 66,158,515,429.92
  5. Step 5: Solve for x
    x = 66,158,515,429.92/263,020.20
  6. Step 6: Final answer
    x = 251,533.97

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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.