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Finding the Fourth Proportional to 258,659.92, 357,175.20 and 190,794.88

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Solution

The fourth proportional to 258,659.92, 357,175.20 and 190,794.88 is: 263,462.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,659.92 : 357,175.20 = 190,794.88 : x
  2. Step 2: Convert to fraction form
    258,659.92/357,175.20 = 190,794.88/x
  3. Step 3: Cross multiply
    258,659.92x = 357,175.20 × 190,794.88
  4. Step 4: Simplify right side
    258,659.92x = 68,147,199,422.98
  5. Step 5: Solve for x
    x = 68,147,199,422.98/258,659.92
  6. Step 6: Final answer
    x = 263,462.54

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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.