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Finding the Fourth Proportional to 1,322,305.01, 1,824,819.41 and 749,326.13

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Solution

The fourth proportional to 1,322,305.01, 1,824,819.41 and 749,326.13 is: 1,034,091.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,305.01 : 1,824,819.41 = 749,326.13 : x
  2. Step 2: Convert to fraction form
    1,322,305.01/1,824,819.41 = 749,326.13/x
  3. Step 3: Cross multiply
    1,322,305.01x = 1,824,819.41 × 749,326.13
  4. Step 4: Simplify right side
    1,322,305.01x = 1,367,384,862,697.55
  5. Step 5: Solve for x
    x = 1,367,384,862,697.55/1,322,305.01
  6. Step 6: Final answer
    x = 1,034,091.87

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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.