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Finding the Fourth Proportional to 2,773,360, 4,160,040 and 672,112

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Solution

The fourth proportional to 2,773,360, 4,160,040 and 672,112 is: 1,008,168

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,773,360 : 4,160,040 = 672,112 : x
  2. Step 2: Convert to fraction form
    2,773,360/4,160,040 = 672,112/x
  3. Step 3: Cross multiply
    2,773,360x = 4,160,040 × 672,112
  4. Step 4: Simplify right side
    2,773,360x = 2,796,012,804,480
  5. Step 5: Solve for x
    x = 2,796,012,804,480/2,773,360
  6. Step 6: Final answer
    x = 1,008,168

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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.