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Finding the Fourth Proportional to 269,189.36, 368,790.74 and 259,099.92

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Solution

The fourth proportional to 269,189.36, 368,790.74 and 259,099.92 is: 354,968.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,189.36 : 368,790.74 = 259,099.92 : x
  2. Step 2: Convert to fraction form
    269,189.36/368,790.74 = 259,099.92/x
  3. Step 3: Cross multiply
    269,189.36x = 368,790.74 × 259,099.92
  4. Step 4: Simplify right side
    269,189.36x = 95,553,651,230.74
  5. Step 5: Solve for x
    x = 95,553,651,230.74/269,189.36
  6. Step 6: Final answer
    x = 354,968.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.