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Finding the Fourth Proportional to 1,193.03, 1,790.19 and 462.63

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Solution

The fourth proportional to 1,193.03, 1,790.19 and 462.63 is: 694.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193.03 : 1,790.19 = 462.63 : x
  2. Step 2: Convert to fraction form
    1,193.03/1,790.19 = 462.63/x
  3. Step 3: Cross multiply
    1,193.03x = 1,790.19 × 462.63
  4. Step 4: Simplify right side
    1,193.03x = 828,195.60
  5. Step 5: Solve for x
    x = 828,195.60/1,193.03
  6. Step 6: Final answer
    x = 694.20

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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.