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Finding the Fourth Proportional to 1,679,994, 2,519,991 and 498,042

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Solution

The fourth proportional to 1,679,994, 2,519,991 and 498,042 is: 747,063

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,994 : 2,519,991 = 498,042 : x
  2. Step 2: Convert to fraction form
    1,679,994/2,519,991 = 498,042/x
  3. Step 3: Cross multiply
    1,679,994x = 2,519,991 × 498,042
  4. Step 4: Simplify right side
    1,679,994x = 1,255,061,357,622
  5. Step 5: Solve for x
    x = 1,255,061,357,622/1,679,994
  6. Step 6: Final answer
    x = 747,063

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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.