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Finding the Fourth Proportional to 278,083.68, 383,551.64 and 182,555.52

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Solution

The fourth proportional to 278,083.68, 383,551.64 and 182,555.52 is: 251,792.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,083.68 : 383,551.64 = 182,555.52 : x
  2. Step 2: Convert to fraction form
    278,083.68/383,551.64 = 182,555.52/x
  3. Step 3: Cross multiply
    278,083.68x = 383,551.64 × 182,555.52
  4. Step 4: Simplify right side
    278,083.68x = 70,019,469,087.05
  5. Step 5: Solve for x
    x = 70,019,469,087.05/278,083.68
  6. Step 6: Final answer
    x = 251,792.80

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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.