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Finding the Fourth Proportional to 362,140.98, 499,731.18 and 200,996.10

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Solution

The fourth proportional to 362,140.98, 499,731.18 and 200,996.10 is: 277,361.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,140.98 : 499,731.18 = 200,996.10 : x
  2. Step 2: Convert to fraction form
    362,140.98/499,731.18 = 200,996.10/x
  3. Step 3: Cross multiply
    362,140.98x = 499,731.18 × 200,996.10
  4. Step 4: Simplify right side
    362,140.98x = 100,444,018,228.40
  5. Step 5: Solve for x
    x = 100,444,018,228.40/362,140.98
  6. Step 6: Final answer
    x = 277,361.65

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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.