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Finding the Fourth Proportional to 336,512.57, 503,583.99 and 210,212.28

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Solution

The fourth proportional to 336,512.57, 503,583.99 and 210,212.28 is: 314,578.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,512.57 : 503,583.99 = 210,212.28 : x
  2. Step 2: Convert to fraction form
    336,512.57/503,583.99 = 210,212.28/x
  3. Step 3: Cross multiply
    336,512.57x = 503,583.99 × 210,212.28
  4. Step 4: Simplify right side
    336,512.57x = 105,859,538,709.40
  5. Step 5: Solve for x
    x = 105,859,538,709.40/336,512.57
  6. Step 6: Final answer
    x = 314,578.26

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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.