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Finding the Fourth Proportional to 373,986.67, 516,103.50 and 204,220.81

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Solution

The fourth proportional to 373,986.67, 516,103.50 and 204,220.81 is: 281,825.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,986.67 : 516,103.50 = 204,220.81 : x
  2. Step 2: Convert to fraction form
    373,986.67/516,103.50 = 204,220.81/x
  3. Step 3: Cross multiply
    373,986.67x = 516,103.50 × 204,220.81
  4. Step 4: Simplify right side
    373,986.67x = 105,399,074,813.84
  5. Step 5: Solve for x
    x = 105,399,074,813.84/373,986.67
  6. Step 6: Final answer
    x = 281,825.75

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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.