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Finding the Fourth Proportional to 608,814.72, 913,228.25 and 271,872.54

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Solution

The fourth proportional to 608,814.72, 913,228.25 and 271,872.54 is: 407,811.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,814.72 : 913,228.25 = 271,872.54 : x
  2. Step 2: Convert to fraction form
    608,814.72/913,228.25 = 271,872.54/x
  3. Step 3: Cross multiply
    608,814.72x = 913,228.25 × 271,872.54
  4. Step 4: Simplify right side
    608,814.72x = 248,281,682,567.89
  5. Step 5: Solve for x
    x = 248,281,682,567.89/608,814.72
  6. Step 6: Final answer
    x = 407,811.56

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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.