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Finding the Fourth Proportional to 1,982,294.03, 2,735,346.37 and 1,099,220.98

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Solution

The fourth proportional to 1,982,294.03, 2,735,346.37 and 1,099,220.98 is: 1,516,803.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982,294.03 : 2,735,346.37 = 1,099,220.98 : x
  2. Step 2: Convert to fraction form
    1,982,294.03/2,735,346.37 = 1,099,220.98/x
  3. Step 3: Cross multiply
    1,982,294.03x = 2,735,346.37 × 1,099,220.98
  4. Step 4: Simplify right side
    1,982,294.03x = 3,006,750,117,470.84
  5. Step 5: Solve for x
    x = 3,006,750,117,470.84/1,982,294.03
  6. Step 6: Final answer
    x = 1,516,803.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.