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Finding the Fourth Proportional to 1,323.98, 1,827.15 and 734.48

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Solution

The fourth proportional to 1,323.98, 1,827.15 and 734.48 is: 1,013.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323.98 : 1,827.15 = 734.48 : x
  2. Step 2: Convert to fraction form
    1,323.98/1,827.15 = 734.48/x
  3. Step 3: Cross multiply
    1,323.98x = 1,827.15 × 734.48
  4. Step 4: Simplify right side
    1,323.98x = 1,341,996.00
  5. Step 5: Solve for x
    x = 1,341,996.00/1,323.98
  6. Step 6: Final answer
    x = 1,013.61

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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.