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Finding the Fourth Proportional to 361,810.70, 499,329.41 and 200,717.63

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Solution

The fourth proportional to 361,810.70, 499,329.41 and 200,717.63 is: 277,007.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,810.70 : 499,329.41 = 200,717.63 : x
  2. Step 2: Convert to fraction form
    361,810.70/499,329.41 = 200,717.63/x
  3. Step 3: Cross multiply
    361,810.70x = 499,329.41 × 200,717.63
  4. Step 4: Simplify right side
    361,810.70x = 100,224,212,264.26
  5. Step 5: Solve for x
    x = 100,224,212,264.26/361,810.70
  6. Step 6: Final answer
    x = 277,007.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.