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Finding the Fourth Proportional to 1,324.00, 1,827.10 and 734.53

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Solution

The fourth proportional to 1,324.00, 1,827.10 and 734.53 is: 1,013.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324.00 : 1,827.10 = 734.53 : x
  2. Step 2: Convert to fraction form
    1,324.00/1,827.10 = 734.53/x
  3. Step 3: Cross multiply
    1,324.00x = 1,827.10 × 734.53
  4. Step 4: Simplify right side
    1,324.00x = 1,342,048.79
  5. Step 5: Solve for x
    x = 1,342,048.79/1,324.00
  6. Step 6: Final answer
    x = 1,013.64

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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.