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Finding the Fourth Proportional to 419,595.36, 579,034.26 and 228,610.11

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Solution

The fourth proportional to 419,595.36, 579,034.26 and 228,610.11 is: 315,477.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,595.36 : 579,034.26 = 228,610.11 : x
  2. Step 2: Convert to fraction form
    419,595.36/579,034.26 = 228,610.11/x
  3. Step 3: Cross multiply
    419,595.36x = 579,034.26 × 228,610.11
  4. Step 4: Simplify right side
    419,595.36x = 132,373,085,872.37
  5. Step 5: Solve for x
    x = 132,373,085,872.37/419,595.36
  6. Step 6: Final answer
    x = 315,477.95

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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.