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Finding the Fourth Proportional to 294,516.40, 441,774.60 and 274,687.60

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Solution

The fourth proportional to 294,516.40, 441,774.60 and 274,687.60 is: 412,031.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,516.40 : 441,774.60 = 274,687.60 : x
  2. Step 2: Convert to fraction form
    294,516.40/441,774.60 = 274,687.60/x
  3. Step 3: Cross multiply
    294,516.40x = 441,774.60 × 274,687.60
  4. Step 4: Simplify right side
    294,516.40x = 121,350,004,614.96
  5. Step 5: Solve for x
    x = 121,350,004,614.96/294,516.40
  6. Step 6: Final answer
    x = 412,031.40

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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.