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Finding the Fourth Proportional to 373,126.50, 514,914.57 and 203,361.03

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Solution

The fourth proportional to 373,126.50, 514,914.57 and 203,361.03 is: 280,638.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,126.50 : 514,914.57 = 203,361.03 : x
  2. Step 2: Convert to fraction form
    373,126.50/514,914.57 = 203,361.03/x
  3. Step 3: Cross multiply
    373,126.50x = 514,914.57 × 203,361.03
  4. Step 4: Simplify right side
    373,126.50x = 104,713,557,317.21
  5. Step 5: Solve for x
    x = 104,713,557,317.21/373,126.50
  6. Step 6: Final answer
    x = 280,638.22

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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.