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Finding the Fourth Proportional to 551,040.56, 826,560.84 and 218,616.56

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Solution

The fourth proportional to 551,040.56, 826,560.84 and 218,616.56 is: 327,924.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,040.56 : 826,560.84 = 218,616.56 : x
  2. Step 2: Convert to fraction form
    551,040.56/826,560.84 = 218,616.56/x
  3. Step 3: Cross multiply
    551,040.56x = 826,560.84 × 218,616.56
  4. Step 4: Simplify right side
    551,040.56x = 180,699,887,471.51
  5. Step 5: Solve for x
    x = 180,699,887,471.51/551,040.56
  6. Step 6: Final answer
    x = 327,924.84

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Similar ratio
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1.5x scale

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.