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Finding the Fourth Proportional to 574,096.56, 861,203.52 and 219,409.08

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Solution

The fourth proportional to 574,096.56, 861,203.52 and 219,409.08 is: 329,136.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,096.56 : 861,203.52 = 219,409.08 : x
  2. Step 2: Convert to fraction form
    574,096.56/861,203.52 = 219,409.08/x
  3. Step 3: Cross multiply
    574,096.56x = 861,203.52 × 219,409.08
  4. Step 4: Simplify right side
    574,096.56x = 188,955,872,015.96
  5. Step 5: Solve for x
    x = 188,955,872,015.96/574,096.56
  6. Step 6: Final answer
    x = 329,136.05

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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.