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Finding the Fourth Proportional to 1,146.44, 1,582.10 and 674.44

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Solution

The fourth proportional to 1,146.44, 1,582.10 and 674.44 is: 930.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146.44 : 1,582.10 = 674.44 : x
  2. Step 2: Convert to fraction form
    1,146.44/1,582.10 = 674.44/x
  3. Step 3: Cross multiply
    1,146.44x = 1,582.10 × 674.44
  4. Step 4: Simplify right side
    1,146.44x = 1,067,031.52
  5. Step 5: Solve for x
    x = 1,067,031.52/1,146.44
  6. Step 6: Final answer
    x = 930.73

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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.