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Finding the Fourth Proportional to 293,596.36, 405,138.24 and 162,777.51

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Solution

The fourth proportional to 293,596.36, 405,138.24 and 162,777.51 is: 224,619.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,596.36 : 405,138.24 = 162,777.51 : x
  2. Step 2: Convert to fraction form
    293,596.36/405,138.24 = 162,777.51/x
  3. Step 3: Cross multiply
    293,596.36x = 405,138.24 × 162,777.51
  4. Step 4: Simplify right side
    293,596.36x = 65,947,393,912.98
  5. Step 5: Solve for x
    x = 65,947,393,912.98/293,596.36
  6. Step 6: Final answer
    x = 224,619.25

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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.