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Finding the Fourth Proportional to 1,546.10, 2,318.70 and 558.76

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Solution

The fourth proportional to 1,546.10, 2,318.70 and 558.76 is: 837.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,546.10 : 2,318.70 = 558.76 : x
  2. Step 2: Convert to fraction form
    1,546.10/2,318.70 = 558.76/x
  3. Step 3: Cross multiply
    1,546.10x = 2,318.70 × 558.76
  4. Step 4: Simplify right side
    1,546.10x = 1,295,596.81
  5. Step 5: Solve for x
    x = 1,295,596.81/1,546.10
  6. Step 6: Final answer
    x = 837.98

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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.