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Finding the Fourth Proportional to 333,613.09, 499,940.46 and 189,633.32

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Solution

The fourth proportional to 333,613.09, 499,940.46 and 189,633.32 is: 284,177.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,613.09 : 499,940.46 = 189,633.32 : x
  2. Step 2: Convert to fraction form
    333,613.09/499,940.46 = 189,633.32/x
  3. Step 3: Cross multiply
    333,613.09x = 499,940.46 × 189,633.32
  4. Step 4: Simplify right side
    333,613.09x = 94,805,366,732.42
  5. Step 5: Solve for x
    x = 94,805,366,732.42/333,613.09
  6. Step 6: Final answer
    x = 284,177.60

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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.