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Finding the Fourth Proportional to 1,747,611.62, 2,618,059.01 and 1,071,722.01

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Solution

The fourth proportional to 1,747,611.62, 2,618,059.01 and 1,071,722.01 is: 1,605,523.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747,611.62 : 2,618,059.01 = 1,071,722.01 : x
  2. Step 2: Convert to fraction form
    1,747,611.62/2,618,059.01 = 1,071,722.01/x
  3. Step 3: Cross multiply
    1,747,611.62x = 2,618,059.01 × 1,071,722.01
  4. Step 4: Simplify right side
    1,747,611.62x = 2,805,831,464,495.81
  5. Step 5: Solve for x
    x = 2,805,831,464,495.81/1,747,611.62
  6. Step 6: Final answer
    x = 1,605,523.47

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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.