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Finding the Fourth Proportional to 1,193.00, 1,646.19 and 695.52

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Solution

The fourth proportional to 1,193.00, 1,646.19 and 695.52 is: 959.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193.00 : 1,646.19 = 695.52 : x
  2. Step 2: Convert to fraction form
    1,193.00/1,646.19 = 695.52/x
  3. Step 3: Cross multiply
    1,193.00x = 1,646.19 × 695.52
  4. Step 4: Simplify right side
    1,193.00x = 1,144,958.07
  5. Step 5: Solve for x
    x = 1,144,958.07/1,193.00
  6. Step 6: Final answer
    x = 959.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.