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Finding the Fourth Proportional to 975.58, 1,346.05 and 577.26

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Solution

The fourth proportional to 975.58, 1,346.05 and 577.26 is: 796.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    975.58 : 1,346.05 = 577.26 : x
  2. Step 2: Convert to fraction form
    975.58/1,346.05 = 577.26/x
  3. Step 3: Cross multiply
    975.58x = 1,346.05 × 577.26
  4. Step 4: Simplify right side
    975.58x = 777,021.54
  5. Step 5: Solve for x
    x = 777,021.54/975.58
  6. Step 6: Final answer
    x = 796.47

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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.