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Finding the Fourth Proportional to 1,193.70, 1,790.66 and 463.33

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Solution

The fourth proportional to 1,193.70, 1,790.66 and 463.33 is: 695.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193.70 : 1,790.66 = 463.33 : x
  2. Step 2: Convert to fraction form
    1,193.70/1,790.66 = 463.33/x
  3. Step 3: Cross multiply
    1,193.70x = 1,790.66 × 463.33
  4. Step 4: Simplify right side
    1,193.70x = 829,672.74
  5. Step 5: Solve for x
    x = 829,672.74/1,193.70
  6. Step 6: Final answer
    x = 695.04

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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.