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Finding the Fourth Proportional to 1,157.34, 1,733.97 and 608.22

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Solution

The fourth proportional to 1,157.34, 1,733.97 and 608.22 is: 911.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157.34 : 1,733.97 = 608.22 : x
  2. Step 2: Convert to fraction form
    1,157.34/1,733.97 = 608.22/x
  3. Step 3: Cross multiply
    1,157.34x = 1,733.97 × 608.22
  4. Step 4: Simplify right side
    1,157.34x = 1,054,635.23
  5. Step 5: Solve for x
    x = 1,054,635.23/1,157.34
  6. Step 6: Final answer
    x = 911.26

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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.