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Finding the Fourth Proportional to 419,596.10, 579,049.26 and 228,609.44

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Solution

The fourth proportional to 419,596.10, 579,049.26 and 228,609.44 is: 315,484.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,596.10 : 579,049.26 = 228,609.44 : x
  2. Step 2: Convert to fraction form
    419,596.10/579,049.26 = 228,609.44/x
  3. Step 3: Cross multiply
    419,596.10x = 579,049.26 × 228,609.44
  4. Step 4: Simplify right side
    419,596.10x = 132,376,127,061.01
  5. Step 5: Solve for x
    x = 132,376,127,061.01/419,596.10
  6. Step 6: Final answer
    x = 315,484.65

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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.