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Finding the Fourth Proportional to 339,458.56, 468,467.64 and 188,555.56

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Solution

The fourth proportional to 339,458.56, 468,467.64 and 188,555.56 is: 260,214.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,458.56 : 468,467.64 = 188,555.56 : x
  2. Step 2: Convert to fraction form
    339,458.56/468,467.64 = 188,555.56/x
  3. Step 3: Cross multiply
    339,458.56x = 468,467.64 × 188,555.56
  4. Step 4: Simplify right side
    339,458.56x = 88,332,178,202.08
  5. Step 5: Solve for x
    x = 88,332,178,202.08/339,458.56
  6. Step 6: Final answer
    x = 260,214.91

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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.