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Finding the Fourth Proportional to 1,193.75, 1,790.61 and 463.33

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Solution

The fourth proportional to 1,193.75, 1,790.61 and 463.33 is: 694.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193.75 : 1,790.61 = 463.33 : x
  2. Step 2: Convert to fraction form
    1,193.75/1,790.61 = 463.33/x
  3. Step 3: Cross multiply
    1,193.75x = 1,790.61 × 463.33
  4. Step 4: Simplify right side
    1,193.75x = 829,634.38
  5. Step 5: Solve for x
    x = 829,634.38/1,193.75
  6. Step 6: Final answer
    x = 694.98

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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.