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Finding the Fourth Proportional to 373,191.84, 515,010.96 and 203,433.12

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Solution

The fourth proportional to 373,191.84, 515,010.96 and 203,433.12 is: 280,741.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,191.84 : 515,010.96 = 203,433.12 : x
  2. Step 2: Convert to fraction form
    373,191.84/515,010.96 = 203,433.12/x
  3. Step 3: Cross multiply
    373,191.84x = 515,010.96 × 203,433.12
  4. Step 4: Simplify right side
    373,191.84x = 104,770,286,427.00
  5. Step 5: Solve for x
    x = 104,770,286,427.00/373,191.84
  6. Step 6: Final answer
    x = 280,741.10

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1.5x scale

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.