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Finding the Fourth Proportional to 1,972,244.70, 2,958,662.70 and 835,004.70

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Solution

The fourth proportional to 1,972,244.70, 2,958,662.70 and 835,004.70 is: 1,252,632.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,244.70 : 2,958,662.70 = 835,004.70 : x
  2. Step 2: Convert to fraction form
    1,972,244.70/2,958,662.70 = 835,004.70/x
  3. Step 3: Cross multiply
    1,972,244.70x = 2,958,662.70 × 835,004.70
  4. Step 4: Simplify right side
    1,972,244.70x = 2,470,497,260,214.69
  5. Step 5: Solve for x
    x = 2,470,497,260,214.69/1,972,244.70
  6. Step 6: Final answer
    x = 1,252,632.22

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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.