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Finding the Fourth Proportional to 725,318, 1,088,015.88 and 226,720.88

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Solution

The fourth proportional to 725,318, 1,088,015.88 and 226,720.88 is: 340,093.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,318 : 1,088,015.88 = 226,720.88 : x
  2. Step 2: Convert to fraction form
    725,318/1,088,015.88 = 226,720.88/x
  3. Step 3: Cross multiply
    725,318x = 1,088,015.88 × 226,720.88
  4. Step 4: Simplify right side
    725,318x = 246,675,917,767.57
  5. Step 5: Solve for x
    x = 246,675,917,767.57/725,318
  6. Step 6: Final answer
    x = 340,093.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.