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Finding the Fourth Proportional to 2,773,356, 4,160,034 and 672,108

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Solution

The fourth proportional to 2,773,356, 4,160,034 and 672,108 is: 1,008,162

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,773,356 : 4,160,034 = 672,108 : x
  2. Step 2: Convert to fraction form
    2,773,356/4,160,034 = 672,108/x
  3. Step 3: Cross multiply
    2,773,356x = 4,160,034 × 672,108
  4. Step 4: Simplify right side
    2,773,356x = 2,795,992,131,672
  5. Step 5: Solve for x
    x = 2,795,992,131,672/2,773,356
  6. Step 6: Final answer
    x = 1,008,162

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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.