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Finding the Fourth Proportional to 248,958.96, 343,521.72 and 236,348.88

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Solution

The fourth proportional to 248,958.96, 343,521.72 and 236,348.88 is: 326,121.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,958.96 : 343,521.72 = 236,348.88 : x
  2. Step 2: Convert to fraction form
    248,958.96/343,521.72 = 236,348.88/x
  3. Step 3: Cross multiply
    248,958.96x = 343,521.72 × 236,348.88
  4. Step 4: Simplify right side
    248,958.96x = 81,190,973,777.67
  5. Step 5: Solve for x
    x = 81,190,973,777.67/248,958.96
  6. Step 6: Final answer
    x = 326,121.92

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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.