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Finding the Fourth Proportional to 373,759.60, 515,789.10 and 204,004.60

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Solution

The fourth proportional to 373,759.60, 515,789.10 and 204,004.60 is: 281,526.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,759.60 : 515,789.10 = 204,004.60 : x
  2. Step 2: Convert to fraction form
    373,759.60/515,789.10 = 204,004.60/x
  3. Step 3: Cross multiply
    373,759.60x = 515,789.10 × 204,004.60
  4. Step 4: Simplify right side
    373,759.60x = 105,223,349,029.86
  5. Step 5: Solve for x
    x = 105,223,349,029.86/373,759.60
  6. Step 6: Final answer
    x = 281,526.81

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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.