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Finding the Fourth Proportional to 1,836,946.81, 2,754,470.91 and 825,203.70

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Solution

The fourth proportional to 1,836,946.81, 2,754,470.91 and 825,203.70 is: 1,237,379.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836,946.81 : 2,754,470.91 = 825,203.70 : x
  2. Step 2: Convert to fraction form
    1,836,946.81/2,754,470.91 = 825,203.70/x
  3. Step 3: Cross multiply
    1,836,946.81x = 2,754,470.91 × 825,203.70
  4. Step 4: Simplify right side
    1,836,946.81x = 2,272,999,589,568.88
  5. Step 5: Solve for x
    x = 2,272,999,589,568.88/1,836,946.81
  6. Step 6: Final answer
    x = 1,237,379.10

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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.