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Finding the Fourth Proportional to 318,757.74, 439,887.30 and 182,796.81

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Solution

The fourth proportional to 318,757.74, 439,887.30 and 182,796.81 is: 252,260.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,757.74 : 439,887.30 = 182,796.81 : x
  2. Step 2: Convert to fraction form
    318,757.74/439,887.30 = 182,796.81/x
  3. Step 3: Cross multiply
    318,757.74x = 439,887.30 × 182,796.81
  4. Step 4: Simplify right side
    318,757.74x = 80,409,995,199.51
  5. Step 5: Solve for x
    x = 80,409,995,199.51/318,757.74
  6. Step 6: Final answer
    x = 252,260.53

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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.