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Finding the Fourth Proportional to 2,270.46, 3,405.72 and 627.06

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Solution

The fourth proportional to 2,270.46, 3,405.72 and 627.06 is: 940.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.46 : 3,405.72 = 627.06 : x
  2. Step 2: Convert to fraction form
    2,270.46/3,405.72 = 627.06/x
  3. Step 3: Cross multiply
    2,270.46x = 3,405.72 × 627.06
  4. Step 4: Simplify right side
    2,270.46x = 2,135,590.78
  5. Step 5: Solve for x
    x = 2,135,590.78/2,270.46
  6. Step 6: Final answer
    x = 940.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.