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Finding the Fourth Proportional to 339,830.62, 468,914.86 and 194,613.82

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Solution

The fourth proportional to 339,830.62, 468,914.86 and 194,613.82 is: 268,537.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,830.62 : 468,914.86 = 194,613.82 : x
  2. Step 2: Convert to fraction form
    339,830.62/468,914.86 = 194,613.82/x
  3. Step 3: Cross multiply
    339,830.62x = 468,914.86 × 194,613.82
  4. Step 4: Simplify right side
    339,830.62x = 91,257,312,159.37
  5. Step 5: Solve for x
    x = 91,257,312,159.37/339,830.62
  6. Step 6: Final answer
    x = 268,537.64

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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.