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Finding the Fourth Proportional to 1,848,563, 2,772,844.50 and 666,611

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Solution

The fourth proportional to 1,848,563, 2,772,844.50 and 666,611 is: 999,916.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848,563 : 2,772,844.50 = 666,611 : x
  2. Step 2: Convert to fraction form
    1,848,563/2,772,844.50 = 666,611/x
  3. Step 3: Cross multiply
    1,848,563x = 2,772,844.50 × 666,611
  4. Step 4: Simplify right side
    1,848,563x = 1,848,408,644,989.50
  5. Step 5: Solve for x
    x = 1,848,408,644,989.50/1,848,563
  6. Step 6: Final answer
    x = 999,916.50

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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.