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Finding the Fourth Proportional to 419,593.50, 579,039.03 and 228,606.84

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Solution

The fourth proportional to 419,593.50, 579,039.03 and 228,606.84 is: 315,477.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,593.50 : 579,039.03 = 228,606.84 : x
  2. Step 2: Convert to fraction form
    419,593.50/579,039.03 = 228,606.84/x
  3. Step 3: Cross multiply
    419,593.50x = 579,039.03 × 228,606.84
  4. Step 4: Simplify right side
    419,593.50x = 132,372,282,884.97
  5. Step 5: Solve for x
    x = 132,372,282,884.97/419,593.50
  6. Step 6: Final answer
    x = 315,477.44

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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.