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Finding the Fourth Proportional to 1,822,642.95, 2,733,954.48 and 743,151.27

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Solution

The fourth proportional to 1,822,642.95, 2,733,954.48 and 743,151.27 is: 1,114,722.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822,642.95 : 2,733,954.48 = 743,151.27 : x
  2. Step 2: Convert to fraction form
    1,822,642.95/2,733,954.48 = 743,151.27/x
  3. Step 3: Cross multiply
    1,822,642.95x = 2,733,954.48 × 743,151.27
  4. Step 4: Simplify right side
    1,822,642.95x = 2,031,741,743,934.19
  5. Step 5: Solve for x
    x = 2,031,741,743,934.19/1,822,642.95
  6. Step 6: Final answer
    x = 1,114,722.85

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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.