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Finding the Fourth Proportional to 2,773,364, 4,160,046 and 672,116

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Solution

The fourth proportional to 2,773,364, 4,160,046 and 672,116 is: 1,008,174

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,773,364 : 4,160,046 = 672,116 : x
  2. Step 2: Convert to fraction form
    2,773,364/4,160,046 = 672,116/x
  3. Step 3: Cross multiply
    2,773,364x = 4,160,046 × 672,116
  4. Step 4: Simplify right side
    2,773,364x = 2,796,033,477,336
  5. Step 5: Solve for x
    x = 2,796,033,477,336/2,773,364
  6. Step 6: Final answer
    x = 1,008,174

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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.