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Finding the Fourth Proportional to 300,602.08, 414,831 and 173,276.56

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Solution

The fourth proportional to 300,602.08, 414,831 and 173,276.56 is: 239,121.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,602.08 : 414,831 = 173,276.56 : x
  2. Step 2: Convert to fraction form
    300,602.08/414,831 = 173,276.56/x
  3. Step 3: Cross multiply
    300,602.08x = 414,831 × 173,276.56
  4. Step 4: Simplify right side
    300,602.08x = 71,880,488,661.36
  5. Step 5: Solve for x
    x = 71,880,488,661.36/300,602.08
  6. Step 6: Final answer
    x = 239,121.73

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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.