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Finding the Fourth Proportional to 1,828,980.27, 2,743,470.71 and 763,441.07

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Solution

The fourth proportional to 1,828,980.27, 2,743,470.71 and 763,441.07 is: 1,145,161.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,828,980.27 : 2,743,470.71 = 763,441.07 : x
  2. Step 2: Convert to fraction form
    1,828,980.27/2,743,470.71 = 763,441.07/x
  3. Step 3: Cross multiply
    1,828,980.27x = 2,743,470.71 × 763,441.07
  4. Step 4: Simplify right side
    1,828,980.27x = 2,094,478,214,356.06
  5. Step 5: Solve for x
    x = 2,094,478,214,356.06/1,828,980.27
  6. Step 6: Final answer
    x = 1,145,161.73

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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.