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Finding the Fourth Proportional to 280,800.74, 387,676.71 and 182,777.37

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Solution

The fourth proportional to 280,800.74, 387,676.71 and 182,777.37 is: 252,344.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,800.74 : 387,676.71 = 182,777.37 : x
  2. Step 2: Convert to fraction form
    280,800.74/387,676.71 = 182,777.37/x
  3. Step 3: Cross multiply
    280,800.74x = 387,676.71 × 182,777.37
  4. Step 4: Simplify right side
    280,800.74x = 70,858,529,464.05
  5. Step 5: Solve for x
    x = 70,858,529,464.05/280,800.74
  6. Step 6: Final answer
    x = 252,344.53

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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.