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Finding the Fourth Proportional to 1,546.92, 2,318.99 and 572.34

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Solution

The fourth proportional to 1,546.92, 2,318.99 and 572.34 is: 857.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,546.92 : 2,318.99 = 572.34 : x
  2. Step 2: Convert to fraction form
    1,546.92/2,318.99 = 572.34/x
  3. Step 3: Cross multiply
    1,546.92x = 2,318.99 × 572.34
  4. Step 4: Simplify right side
    1,546.92x = 1,327,247.87
  5. Step 5: Solve for x
    x = 1,327,247.87/1,546.92
  6. Step 6: Final answer
    x = 857.99

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Why These Related Problems?

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