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Finding the Fourth Proportional to 585,796.05, 878,694.08 and 211,731.57

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Solution

The fourth proportional to 585,796.05, 878,694.08 and 211,731.57 is: 317,597.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,796.05 : 878,694.08 = 211,731.57 : x
  2. Step 2: Convert to fraction form
    585,796.05/878,694.08 = 211,731.57/x
  3. Step 3: Cross multiply
    585,796.05x = 878,694.08 × 211,731.57
  4. Step 4: Simplify right side
    585,796.05x = 186,047,276,049.45
  5. Step 5: Solve for x
    x = 186,047,276,049.45/585,796.05
  6. Step 6: Final answer
    x = 317,597.36

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Similar ratio
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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.