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Finding the Fourth Proportional to 1,951,736.80, 2,926,730.40 and 886,230.40

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Solution

The fourth proportional to 1,951,736.80, 2,926,730.40 and 886,230.40 is: 1,328,948.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951,736.80 : 2,926,730.40 = 886,230.40 : x
  2. Step 2: Convert to fraction form
    1,951,736.80/2,926,730.40 = 886,230.40/x
  3. Step 3: Cross multiply
    1,951,736.80x = 2,926,730.40 × 886,230.40
  4. Step 4: Simplify right side
    1,951,736.80x = 2,593,757,453,084.16
  5. Step 5: Solve for x
    x = 2,593,757,453,084.16/1,951,736.80
  6. Step 6: Final answer
    x = 1,328,948.38

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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.