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Finding the Fourth Proportional to 1,606.32, 2,410.26 and 729.44

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Solution

The fourth proportional to 1,606.32, 2,410.26 and 729.44 is: 1,094.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,606.32 : 2,410.26 = 729.44 : x
  2. Step 2: Convert to fraction form
    1,606.32/2,410.26 = 729.44/x
  3. Step 3: Cross multiply
    1,606.32x = 2,410.26 × 729.44
  4. Step 4: Simplify right side
    1,606.32x = 1,758,140.05
  5. Step 5: Solve for x
    x = 1,758,140.05/1,606.32
  6. Step 6: Final answer
    x = 1,094.51

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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.