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Finding the Fourth Proportional to 373,055.38, 514,816.49 and 203,289.50

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Solution

The fourth proportional to 373,055.38, 514,816.49 and 203,289.50 is: 280,539.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,055.38 : 514,816.49 = 203,289.50 : x
  2. Step 2: Convert to fraction form
    373,055.38/514,816.49 = 203,289.50/x
  3. Step 3: Cross multiply
    373,055.38x = 514,816.49 × 203,289.50
  4. Step 4: Simplify right side
    373,055.38x = 104,656,786,843.86
  5. Step 5: Solve for x
    x = 104,656,786,843.86/373,055.38
  6. Step 6: Final answer
    x = 280,539.55

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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.