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Finding the Fourth Proportional to 2,650,600.40, 3,971,215.80 and 2,562,894.80

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Solution

The fourth proportional to 2,650,600.40, 3,971,215.80 and 2,562,894.80 is: 3,839,812.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650,600.40 : 3,971,215.80 = 2,562,894.80 : x
  2. Step 2: Convert to fraction form
    2,650,600.40/3,971,215.80 = 2,562,894.80/x
  3. Step 3: Cross multiply
    2,650,600.40x = 3,971,215.80 × 2,562,894.80
  4. Step 4: Simplify right side
    2,650,600.40x = 10,177,808,323,497.84
  5. Step 5: Solve for x
    x = 10,177,808,323,497.84/2,650,600.40
  6. Step 6: Final answer
    x = 3,839,812.42

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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.