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Finding the Fourth Proportional to 1,131.83, 1,696.54 and 473.54

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Solution

The fourth proportional to 1,131.83, 1,696.54 and 473.54 is: 709.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131.83 : 1,696.54 = 473.54 : x
  2. Step 2: Convert to fraction form
    1,131.83/1,696.54 = 473.54/x
  3. Step 3: Cross multiply
    1,131.83x = 1,696.54 × 473.54
  4. Step 4: Simplify right side
    1,131.83x = 803,379.55
  5. Step 5: Solve for x
    x = 803,379.55/1,131.83
  6. Step 6: Final answer
    x = 709.81

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.