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Finding the Fourth Proportional to 496,149.09, 683,961 and 350,698.25

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Solution

The fourth proportional to 496,149.09, 683,961 and 350,698.25 is: 483,451.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,149.09 : 683,961 = 350,698.25 : x
  2. Step 2: Convert to fraction form
    496,149.09/683,961 = 350,698.25/x
  3. Step 3: Cross multiply
    496,149.09x = 683,961 × 350,698.25
  4. Step 4: Simplify right side
    496,149.09x = 239,863,925,768.25
  5. Step 5: Solve for x
    x = 239,863,925,768.25/496,149.09
  6. Step 6: Final answer
    x = 483,451.31

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1.5x scale

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.