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Finding the Fourth Proportional to 493,653.78, 739,982.16 and 194,344.44

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Solution

The fourth proportional to 493,653.78, 739,982.16 and 194,344.44 is: 291,320.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,653.78 : 739,982.16 = 194,344.44 : x
  2. Step 2: Convert to fraction form
    493,653.78/739,982.16 = 194,344.44/x
  3. Step 3: Cross multiply
    493,653.78x = 739,982.16 × 194,344.44
  4. Step 4: Simplify right side
    493,653.78x = 143,811,418,495.19
  5. Step 5: Solve for x
    x = 143,811,418,495.19/493,653.78
  6. Step 6: Final answer
    x = 291,320.40

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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.