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Finding the Fourth Proportional to 368,054.75, 507,933.57 and 206,960.33

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Solution

The fourth proportional to 368,054.75, 507,933.57 and 206,960.33 is: 285,615.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,054.75 : 507,933.57 = 206,960.33 : x
  2. Step 2: Convert to fraction form
    368,054.75/507,933.57 = 206,960.33/x
  3. Step 3: Cross multiply
    368,054.75x = 507,933.57 × 206,960.33
  4. Step 4: Simplify right side
    368,054.75x = 105,122,096,725.61
  5. Step 5: Solve for x
    x = 105,122,096,725.61/368,054.75
  6. Step 6: Final answer
    x = 285,615.38

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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.