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Finding the Fourth Proportional to 883.44, 1,219.26 and 534.14

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Solution

The fourth proportional to 883.44, 1,219.26 and 534.14 is: 737.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    883.44 : 1,219.26 = 534.14 : x
  2. Step 2: Convert to fraction form
    883.44/1,219.26 = 534.14/x
  3. Step 3: Cross multiply
    883.44x = 1,219.26 × 534.14
  4. Step 4: Simplify right side
    883.44x = 651,255.54
  5. Step 5: Solve for x
    x = 651,255.54/883.44
  6. Step 6: Final answer
    x = 737.18

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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.