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Finding the Fourth Proportional to 967.56, 1,334.75 and 574.39

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Solution

The fourth proportional to 967.56, 1,334.75 and 574.39 is: 792.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    967.56 : 1,334.75 = 574.39 : x
  2. Step 2: Convert to fraction form
    967.56/1,334.75 = 574.39/x
  3. Step 3: Cross multiply
    967.56x = 1,334.75 × 574.39
  4. Step 4: Simplify right side
    967.56x = 766,667.05
  5. Step 5: Solve for x
    x = 766,667.05/967.56
  6. Step 6: Final answer
    x = 792.37

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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.