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Finding the Fourth Proportional to 419,936.92, 579,512.54 and 228,950.26

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Solution

The fourth proportional to 419,936.92, 579,512.54 and 228,950.26 is: 315,951.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,936.92 : 579,512.54 = 228,950.26 : x
  2. Step 2: Convert to fraction form
    419,936.92/579,512.54 = 228,950.26/x
  3. Step 3: Cross multiply
    419,936.92x = 579,512.54 × 228,950.26
  4. Step 4: Simplify right side
    419,936.92x = 132,679,546,706.26
  5. Step 5: Solve for x
    x = 132,679,546,706.26/419,936.92
  6. Step 6: Final answer
    x = 315,951.14

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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.