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Finding the Fourth Proportional to 1,157.17, 1,735.75 and 335.44

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Solution

The fourth proportional to 1,157.17, 1,735.75 and 335.44 is: 503.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157.17 : 1,735.75 = 335.44 : x
  2. Step 2: Convert to fraction form
    1,157.17/1,735.75 = 335.44/x
  3. Step 3: Cross multiply
    1,157.17x = 1,735.75 × 335.44
  4. Step 4: Simplify right side
    1,157.17x = 582,242.57
  5. Step 5: Solve for x
    x = 582,242.57/1,157.17
  6. Step 6: Final answer
    x = 503.16

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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.