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Finding the Fourth Proportional to 339,383.68, 468,342.72 and 188,475.52

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Solution

The fourth proportional to 339,383.68, 468,342.72 and 188,475.52 is: 260,092.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,383.68 : 468,342.72 = 188,475.52 : x
  2. Step 2: Convert to fraction form
    339,383.68/468,342.72 = 188,475.52/x
  3. Step 3: Cross multiply
    339,383.68x = 468,342.72 × 188,475.52
  4. Step 4: Simplify right side
    339,383.68x = 88,271,137,690.21
  5. Step 5: Solve for x
    x = 88,271,137,690.21/339,383.68
  6. Step 6: Final answer
    x = 260,092.46

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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.