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Finding the Fourth Proportional to 318,626.33, 439,652.87 and 182,635.25

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Solution

The fourth proportional to 318,626.33, 439,652.87 and 182,635.25 is: 252,007.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,626.33 : 439,652.87 = 182,635.25 : x
  2. Step 2: Convert to fraction form
    318,626.33/439,652.87 = 182,635.25/x
  3. Step 3: Cross multiply
    318,626.33x = 439,652.87 × 182,635.25
  4. Step 4: Simplify right side
    318,626.33x = 80,296,111,825.67
  5. Step 5: Solve for x
    x = 80,296,111,825.67/318,626.33
  6. Step 6: Final answer
    x = 252,007.15

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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.