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Finding the Fourth Proportional to 1,999,071, 2,998,918.26 and 650,915.28

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Solution

The fourth proportional to 1,999,071, 2,998,918.26 and 650,915.28 is: 976,474.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,071 : 2,998,918.26 = 650,915.28 : x
  2. Step 2: Convert to fraction form
    1,999,071/2,998,918.26 = 650,915.28/x
  3. Step 3: Cross multiply
    1,999,071x = 2,998,918.26 × 650,915.28
  4. Step 4: Simplify right side
    1,999,071x = 1,952,041,718,905.01
  5. Step 5: Solve for x
    x = 1,952,041,718,905.01/1,999,071
  6. Step 6: Final answer
    x = 976,474.43

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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.