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Finding the Fourth Proportional to 1,842,936.97, 2,765,651.03 and 644,869.67

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Solution

The fourth proportional to 1,842,936.97, 2,765,651.03 and 644,869.67 is: 967,740.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,842,936.97 : 2,765,651.03 = 644,869.67 : x
  2. Step 2: Convert to fraction form
    1,842,936.97/2,765,651.03 = 644,869.67/x
  3. Step 3: Cross multiply
    1,842,936.97x = 2,765,651.03 × 644,869.67
  4. Step 4: Simplify right side
    1,842,936.97x = 1,783,484,463,129.71
  5. Step 5: Solve for x
    x = 1,783,484,463,129.71/1,842,936.97
  6. Step 6: Final answer
    x = 967,740.35

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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.