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Finding the Fourth Proportional to 633,705.80, 950,620.80 and 184,431.20

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Solution

The fourth proportional to 633,705.80, 950,620.80 and 184,431.20 is: 276,664.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,705.80 : 950,620.80 = 184,431.20 : x
  2. Step 2: Convert to fraction form
    633,705.80/950,620.80 = 184,431.20/x
  3. Step 3: Cross multiply
    633,705.80x = 950,620.80 × 184,431.20
  4. Step 4: Simplify right side
    633,705.80x = 175,324,134,888.96
  5. Step 5: Solve for x
    x = 175,324,134,888.96/633,705.80
  6. Step 6: Final answer
    x = 276,664.87

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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.