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Finding the Fourth Proportional to 248,383.17, 342,115.83 and 190,912.59

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Solution

The fourth proportional to 248,383.17, 342,115.83 and 190,912.59 is: 262,957.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,383.17 : 342,115.83 = 190,912.59 : x
  2. Step 2: Convert to fraction form
    248,383.17/342,115.83 = 190,912.59/x
  3. Step 3: Cross multiply
    248,383.17x = 342,115.83 × 190,912.59
  4. Step 4: Simplify right side
    248,383.17x = 65,314,219,185.30
  5. Step 5: Solve for x
    x = 65,314,219,185.30/248,383.17
  6. Step 6: Final answer
    x = 262,957.51

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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.