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Finding the Fourth Proportional to 1,848,562, 2,772,843 and 666,610

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Solution

The fourth proportional to 1,848,562, 2,772,843 and 666,610 is: 999,915

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848,562 : 2,772,843 = 666,610 : x
  2. Step 2: Convert to fraction form
    1,848,562/2,772,843 = 666,610/x
  3. Step 3: Cross multiply
    1,848,562x = 2,772,843 × 666,610
  4. Step 4: Simplify right side
    1,848,562x = 1,848,404,872,230
  5. Step 5: Solve for x
    x = 1,848,404,872,230/1,848,562
  6. Step 6: Final answer
    x = 999,915

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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.