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Finding the Fourth Proportional to 373,535.52, 515,474.64 and 203,771.04

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Solution

The fourth proportional to 373,535.52, 515,474.64 and 203,771.04 is: 281,201.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,535.52 : 515,474.64 = 203,771.04 : x
  2. Step 2: Convert to fraction form
    373,535.52/515,474.64 = 203,771.04/x
  3. Step 3: Cross multiply
    373,535.52x = 515,474.64 × 203,771.04
  4. Step 4: Simplify right side
    373,535.52x = 105,038,803,486.43
  5. Step 5: Solve for x
    x = 105,038,803,486.43/373,535.52
  6. Step 6: Final answer
    x = 281,201.65

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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.