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Finding the Fourth Proportional to 1,497.49, 2,246.25 and 843.55

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Solution

The fourth proportional to 1,497.49, 2,246.25 and 843.55 is: 1,265.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497.49 : 2,246.25 = 843.55 : x
  2. Step 2: Convert to fraction form
    1,497.49/2,246.25 = 843.55/x
  3. Step 3: Cross multiply
    1,497.49x = 2,246.25 × 843.55
  4. Step 4: Simplify right side
    1,497.49x = 1,894,824.19
  5. Step 5: Solve for x
    x = 1,894,824.19/1,497.49
  6. Step 6: Final answer
    x = 1,265.33

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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.