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Finding the Fourth Proportional to 336,486.25, 504,727.75 and 319,667.41

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Solution

The fourth proportional to 336,486.25, 504,727.75 and 319,667.41 is: 479,499.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,486.25 : 504,727.75 = 319,667.41 : x
  2. Step 2: Convert to fraction form
    336,486.25/504,727.75 = 319,667.41/x
  3. Step 3: Cross multiply
    336,486.25x = 504,727.75 × 319,667.41
  4. Step 4: Simplify right side
    336,486.25x = 161,345,008,475.65
  5. Step 5: Solve for x
    x = 161,345,008,475.65/336,486.25
  6. Step 6: Final answer
    x = 479,499.57

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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.