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Finding the Fourth Proportional to 1,323.93, 1,826.96 and 734.48

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Solution

The fourth proportional to 1,323.93, 1,826.96 and 734.48 is: 1,013.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323.93 : 1,826.96 = 734.48 : x
  2. Step 2: Convert to fraction form
    1,323.93/1,826.96 = 734.48/x
  3. Step 3: Cross multiply
    1,323.93x = 1,826.96 × 734.48
  4. Step 4: Simplify right side
    1,323.93x = 1,341,852.77
  5. Step 5: Solve for x
    x = 1,341,852.77/1,323.93
  6. Step 6: Final answer
    x = 1,013.54

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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.