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Finding the Fourth Proportional to 318,771.29, 439,922.81 and 182,804.15

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Solution

The fourth proportional to 318,771.29, 439,922.81 and 182,804.15 is: 252,280.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,771.29 : 439,922.81 = 182,804.15 : x
  2. Step 2: Convert to fraction form
    318,771.29/439,922.81 = 182,804.15/x
  3. Step 3: Cross multiply
    318,771.29x = 439,922.81 × 182,804.15
  4. Step 4: Simplify right side
    318,771.29x = 80,419,715,347.66
  5. Step 5: Solve for x
    x = 80,419,715,347.66/318,771.29
  6. Step 6: Final answer
    x = 252,280.30

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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.