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Finding the Fourth Proportional to 1,157.98, 1,736.88 and 464.62

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Solution

The fourth proportional to 1,157.98, 1,736.88 and 464.62 is: 696.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157.98 : 1,736.88 = 464.62 : x
  2. Step 2: Convert to fraction form
    1,157.98/1,736.88 = 464.62/x
  3. Step 3: Cross multiply
    1,157.98x = 1,736.88 × 464.62
  4. Step 4: Simplify right side
    1,157.98x = 806,989.19
  5. Step 5: Solve for x
    x = 806,989.19/1,157.98
  6. Step 6: Final answer
    x = 696.89

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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.