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Finding the Fourth Proportional to 336,300, 503,203.95 and 269,537.64

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Solution

The fourth proportional to 336,300, 503,203.95 and 269,537.64 is: 403,307.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,300 : 503,203.95 = 269,537.64 : x
  2. Step 2: Convert to fraction form
    336,300/503,203.95 = 269,537.64/x
  3. Step 3: Cross multiply
    336,300x = 503,203.95 × 269,537.64
  4. Step 4: Simplify right side
    336,300x = 135,632,405,121.68
  5. Step 5: Solve for x
    x = 135,632,405,121.68/336,300
  6. Step 6: Final answer
    x = 403,307.78

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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.