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Finding the Fourth Proportional to 427,624.56, 589,930.56 and 246,288.96

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Solution

The fourth proportional to 427,624.56, 589,930.56 and 246,288.96 is: 339,768.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,624.56 : 589,930.56 = 246,288.96 : x
  2. Step 2: Convert to fraction form
    427,624.56/589,930.56 = 246,288.96/x
  3. Step 3: Cross multiply
    427,624.56x = 589,930.56 × 246,288.96
  4. Step 4: Simplify right side
    427,624.56x = 145,293,384,094.62
  5. Step 5: Solve for x
    x = 145,293,384,094.62/427,624.56
  6. Step 6: Final answer
    x = 339,768.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.