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Finding the Fourth Proportional to 1,800,490.04, 2,697,974.09 and 1,223,378.33

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Solution

The fourth proportional to 1,800,490.04, 2,697,974.09 and 1,223,378.33 is: 1,833,191.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,800,490.04 : 2,697,974.09 = 1,223,378.33 : x
  2. Step 2: Convert to fraction form
    1,800,490.04/2,697,974.09 = 1,223,378.33/x
  3. Step 3: Cross multiply
    1,800,490.04x = 2,697,974.09 × 1,223,378.33
  4. Step 4: Simplify right side
    1,800,490.04x = 3,300,643,017,000.71
  5. Step 5: Solve for x
    x = 3,300,643,017,000.71/1,800,490.04
  6. Step 6: Final answer
    x = 1,833,191.49

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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.