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Finding the Fourth Proportional to 1,157.59, 1,736.77 and 377.62

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Solution

The fourth proportional to 1,157.59, 1,736.77 and 377.62 is: 566.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157.59 : 1,736.77 = 377.62 : x
  2. Step 2: Convert to fraction form
    1,157.59/1,736.77 = 377.62/x
  3. Step 3: Cross multiply
    1,157.59x = 1,736.77 × 377.62
  4. Step 4: Simplify right side
    1,157.59x = 655,838.33
  5. Step 5: Solve for x
    x = 655,838.33/1,157.59
  6. Step 6: Final answer
    x = 566.55

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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.