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Finding the Fourth Proportional to 373,616.31, 515,588.98 and 203,850.03

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Solution

The fourth proportional to 373,616.31, 515,588.98 and 203,850.03 is: 281,312.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,616.31 : 515,588.98 = 203,850.03 : x
  2. Step 2: Convert to fraction form
    373,616.31/515,588.98 = 203,850.03/x
  3. Step 3: Cross multiply
    373,616.31x = 515,588.98 × 203,850.03
  4. Step 4: Simplify right side
    373,616.31x = 105,102,829,040.67
  5. Step 5: Solve for x
    x = 105,102,829,040.67/373,616.31
  6. Step 6: Final answer
    x = 281,312.21

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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.