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Finding the Fourth Proportional to 1,195.74, 1,794.15 and 610.38

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Solution

The fourth proportional to 1,195.74, 1,794.15 and 610.38 is: 915.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195.74 : 1,794.15 = 610.38 : x
  2. Step 2: Convert to fraction form
    1,195.74/1,794.15 = 610.38/x
  3. Step 3: Cross multiply
    1,195.74x = 1,794.15 × 610.38
  4. Step 4: Simplify right side
    1,195.74x = 1,095,113.28
  5. Step 5: Solve for x
    x = 1,095,113.28/1,195.74
  6. Step 6: Final answer
    x = 915.85

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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.