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Finding the Fourth Proportional to 362,157.89, 499,754.39 and 201,012.98

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Solution

The fourth proportional to 362,157.89, 499,754.39 and 201,012.98 is: 277,384.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,157.89 : 499,754.39 = 201,012.98 : x
  2. Step 2: Convert to fraction form
    362,157.89/499,754.39 = 201,012.98/x
  3. Step 3: Cross multiply
    362,157.89x = 499,754.39 × 201,012.98
  4. Step 4: Simplify right side
    362,157.89x = 100,457,115,698.15
  5. Step 5: Solve for x
    x = 100,457,115,698.15/362,157.89
  6. Step 6: Final answer
    x = 277,384.86

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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.