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Finding the Fourth Proportional to 966.96, 1,450.70 and 273.63

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Solution

The fourth proportional to 966.96, 1,450.70 and 273.63 is: 410.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    966.96 : 1,450.70 = 273.63 : x
  2. Step 2: Convert to fraction form
    966.96/1,450.70 = 273.63/x
  3. Step 3: Cross multiply
    966.96x = 1,450.70 × 273.63
  4. Step 4: Simplify right side
    966.96x = 396,953.67
  5. Step 5: Solve for x
    x = 396,953.67/966.96
  6. Step 6: Final answer
    x = 410.52

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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.