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Finding the Fourth Proportional to 496,333.20, 684,936 and 269,978.88

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Solution

The fourth proportional to 496,333.20, 684,936 and 269,978.88 is: 372,568.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,333.20 : 684,936 = 269,978.88 : x
  2. Step 2: Convert to fraction form
    496,333.20/684,936 = 269,978.88/x
  3. Step 3: Cross multiply
    496,333.20x = 684,936 × 269,978.88
  4. Step 4: Simplify right side
    496,333.20x = 184,918,254,151.68
  5. Step 5: Solve for x
    x = 184,918,254,151.68/496,333.20
  6. Step 6: Final answer
    x = 372,568.78

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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.