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Finding the Fourth Proportional to 1,231,994, 1,848,728.28 and 531,578

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Solution

The fourth proportional to 1,231,994, 1,848,728.28 and 531,578 is: 797,685.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,994 : 1,848,728.28 = 531,578 : x
  2. Step 2: Convert to fraction form
    1,231,994/1,848,728.28 = 531,578/x
  3. Step 3: Cross multiply
    1,231,994x = 1,848,728.28 × 531,578
  4. Step 4: Simplify right side
    1,231,994x = 982,743,281,625.84
  5. Step 5: Solve for x
    x = 982,743,281,625.84/1,231,994
  6. Step 6: Final answer
    x = 797,685.12

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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.