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Finding the Fourth Proportional to 1,232,972.85, 1,846,470.07 and 852,826.69

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Solution

The fourth proportional to 1,232,972.85, 1,846,470.07 and 852,826.69 is: 1,277,172.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,972.85 : 1,846,470.07 = 852,826.69 : x
  2. Step 2: Convert to fraction form
    1,232,972.85/1,846,470.07 = 852,826.69/x
  3. Step 3: Cross multiply
    1,232,972.85x = 1,846,470.07 × 852,826.69
  4. Step 4: Simplify right side
    1,232,972.85x = 1,574,718,944,485.68
  5. Step 5: Solve for x
    x = 1,574,718,944,485.68/1,232,972.85
  6. Step 6: Final answer
    x = 1,277,172.44

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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.