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Finding the Fourth Proportional to 493,984.04, 739,792 and 253,464.96

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Solution

The fourth proportional to 493,984.04, 739,792 and 253,464.96 is: 379,589.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,984.04 : 739,792 = 253,464.96 : x
  2. Step 2: Convert to fraction form
    493,984.04/739,792 = 253,464.96/x
  3. Step 3: Cross multiply
    493,984.04x = 739,792 × 253,464.96
  4. Step 4: Simplify right side
    493,984.04x = 187,511,349,688.32
  5. Step 5: Solve for x
    x = 187,511,349,688.32/493,984.04
  6. Step 6: Final answer
    x = 379,589.89

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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.