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Finding the Fourth Proportional to 546,144.55, 818,648.44 and 305,906.23

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Solution

The fourth proportional to 546,144.55, 818,648.44 and 305,906.23 is: 458,540.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,144.55 : 818,648.44 = 305,906.23 : x
  2. Step 2: Convert to fraction form
    546,144.55/818,648.44 = 305,906.23/x
  3. Step 3: Cross multiply
    546,144.55x = 818,648.44 × 305,906.23
  4. Step 4: Simplify right side
    546,144.55x = 250,429,659,381.48
  5. Step 5: Solve for x
    x = 250,429,659,381.48/546,144.55
  6. Step 6: Final answer
    x = 458,540.98

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1.5x scale

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.