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Finding the Fourth Proportional to 1,367,744.63, 1,887,668.01 and 1,322,829.90

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Solution

The fourth proportional to 1,367,744.63, 1,887,668.01 and 1,322,829.90 is: 1,825,679.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,744.63 : 1,887,668.01 = 1,322,829.90 : x
  2. Step 2: Convert to fraction form
    1,367,744.63/1,887,668.01 = 1,322,829.90/x
  3. Step 3: Cross multiply
    1,367,744.63x = 1,887,668.01 × 1,322,829.90
  4. Step 4: Simplify right side
    1,367,744.63x = 2,497,063,684,901.50
  5. Step 5: Solve for x
    x = 2,497,063,684,901.50/1,367,744.63
  6. Step 6: Final answer
    x = 1,825,679.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.