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Finding the Fourth Proportional to 278,735.58, 384,814.62 and 183,519

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Solution

The fourth proportional to 278,735.58, 384,814.62 and 183,519 is: 253,361.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,735.58 : 384,814.62 = 183,519 : x
  2. Step 2: Convert to fraction form
    278,735.58/384,814.62 = 183,519/x
  3. Step 3: Cross multiply
    278,735.58x = 384,814.62 × 183,519
  4. Step 4: Simplify right side
    278,735.58x = 70,620,794,247.78
  5. Step 5: Solve for x
    x = 70,620,794,247.78/278,735.58
  6. Step 6: Final answer
    x = 253,361.25

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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.