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Finding the Fourth Proportional to 330,924.96, 496,374.48 and 81,600.48

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Solution

The fourth proportional to 330,924.96, 496,374.48 and 81,600.48 is: 122,397.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,924.96 : 496,374.48 = 81,600.48 : x
  2. Step 2: Convert to fraction form
    330,924.96/496,374.48 = 81,600.48/x
  3. Step 3: Cross multiply
    330,924.96x = 496,374.48 × 81,600.48
  4. Step 4: Simplify right side
    330,924.96x = 40,504,395,827.75
  5. Step 5: Solve for x
    x = 40,504,395,827.75/330,924.96
  6. Step 6: Final answer
    x = 122,397.52

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1.5x scale

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.