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Finding the Fourth Proportional to 621,793.37, 930,759.34 and 336,776.02

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Solution

The fourth proportional to 621,793.37, 930,759.34 and 336,776.02 is: 504,118.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,793.37 : 930,759.34 = 336,776.02 : x
  2. Step 2: Convert to fraction form
    621,793.37/930,759.34 = 336,776.02/x
  3. Step 3: Cross multiply
    621,793.37x = 930,759.34 × 336,776.02
  4. Step 4: Simplify right side
    621,793.37x = 313,457,426,103.03
  5. Step 5: Solve for x
    x = 313,457,426,103.03/621,793.37
  6. Step 6: Final answer
    x = 504,118.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.