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Finding the Fourth Proportional to 336,487.25, 504,729.24 and 319,668.41

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Solution

The fourth proportional to 336,487.25, 504,729.24 and 319,668.41 is: 479,501.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,487.25 : 504,729.24 = 319,668.41 : x
  2. Step 2: Convert to fraction form
    336,487.25/504,729.24 = 319,668.41/x
  3. Step 3: Cross multiply
    336,487.25x = 504,729.24 × 319,668.41
  4. Step 4: Simplify right side
    336,487.25x = 161,345,993,631.31
  5. Step 5: Solve for x
    x = 161,345,993,631.31/336,487.25
  6. Step 6: Final answer
    x = 479,501.06

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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.