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Finding the Fourth Proportional to 1,265.00, 1,745.82 and 705.69

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Solution

The fourth proportional to 1,265.00, 1,745.82 and 705.69 is: 973.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265.00 : 1,745.82 = 705.69 : x
  2. Step 2: Convert to fraction form
    1,265.00/1,745.82 = 705.69/x
  3. Step 3: Cross multiply
    1,265.00x = 1,745.82 × 705.69
  4. Step 4: Simplify right side
    1,265.00x = 1,232,007.72
  5. Step 5: Solve for x
    x = 1,232,007.72/1,265.00
  6. Step 6: Final answer
    x = 973.92

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