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Finding the Fourth Proportional to 1,346.17, 1,856.48 and 873.57

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Solution

The fourth proportional to 1,346.17, 1,856.48 and 873.57 is: 1,204.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346.17 : 1,856.48 = 873.57 : x
  2. Step 2: Convert to fraction form
    1,346.17/1,856.48 = 873.57/x
  3. Step 3: Cross multiply
    1,346.17x = 1,856.48 × 873.57
  4. Step 4: Simplify right side
    1,346.17x = 1,621,765.23
  5. Step 5: Solve for x
    x = 1,621,765.23/1,346.17
  6. Step 6: Final answer
    x = 1,204.73

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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.