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Finding the Fourth Proportional to 496,133.10, 743,608.89 and 345,558.42

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Solution

The fourth proportional to 496,133.10, 743,608.89 and 345,558.42 is: 517,926.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,133.10 : 743,608.89 = 345,558.42 : x
  2. Step 2: Convert to fraction form
    496,133.10/743,608.89 = 345,558.42/x
  3. Step 3: Cross multiply
    496,133.10x = 743,608.89 × 345,558.42
  4. Step 4: Simplify right side
    496,133.10x = 256,960,313,126.35
  5. Step 5: Solve for x
    x = 256,960,313,126.35/496,133.10
  6. Step 6: Final answer
    x = 517,926.16

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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.