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Finding the Fourth Proportional to 370,930.56, 556,506.72 and 263,067.72

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Solution

The fourth proportional to 370,930.56, 556,506.72 and 263,067.72 is: 394,680.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,930.56 : 556,506.72 = 263,067.72 : x
  2. Step 2: Convert to fraction form
    370,930.56/556,506.72 = 263,067.72/x
  3. Step 3: Cross multiply
    370,930.56x = 556,506.72 × 263,067.72
  4. Step 4: Simplify right side
    370,930.56x = 146,398,953,995.08
  5. Step 5: Solve for x
    x = 146,398,953,995.08/370,930.56
  6. Step 6: Final answer
    x = 394,680.22

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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.