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Finding the Fourth Proportional to 456,018.56, 684,027.84 and 123,594.56

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Solution

The fourth proportional to 456,018.56, 684,027.84 and 123,594.56 is: 185,391.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,018.56 : 684,027.84 = 123,594.56 : x
  2. Step 2: Convert to fraction form
    456,018.56/684,027.84 = 123,594.56/x
  3. Step 3: Cross multiply
    456,018.56x = 684,027.84 × 123,594.56
  4. Step 4: Simplify right side
    456,018.56x = 84,542,119,912.55
  5. Step 5: Solve for x
    x = 84,542,119,912.55/456,018.56
  6. Step 6: Final answer
    x = 185,391.84

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Similar ratio
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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.