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Finding the Fourth Proportional to 1,323.67, 1,826.67 and 734.22

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Solution

The fourth proportional to 1,323.67, 1,826.67 and 734.22 is: 1,013.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323.67 : 1,826.67 = 734.22 : x
  2. Step 2: Convert to fraction form
    1,323.67/1,826.67 = 734.22/x
  3. Step 3: Cross multiply
    1,323.67x = 1,826.67 × 734.22
  4. Step 4: Simplify right side
    1,323.67x = 1,341,177.65
  5. Step 5: Solve for x
    x = 1,341,177.65/1,323.67
  6. Step 6: Final answer
    x = 1,013.23

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1.5x scale

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.