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Finding the Fourth Proportional to 1,170.46, 1,753.23 and 730.24

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Solution

The fourth proportional to 1,170.46, 1,753.23 and 730.24 is: 1,093.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170.46 : 1,753.23 = 730.24 : x
  2. Step 2: Convert to fraction form
    1,170.46/1,753.23 = 730.24/x
  3. Step 3: Cross multiply
    1,170.46x = 1,753.23 × 730.24
  4. Step 4: Simplify right side
    1,170.46x = 1,280,278.68
  5. Step 5: Solve for x
    x = 1,280,278.68/1,170.46
  6. Step 6: Final answer
    x = 1,093.83

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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.