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Finding the Fourth Proportional to 1,784,063.82, 2,462,025.80 and 968,274.75

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Solution

The fourth proportional to 1,784,063.82, 2,462,025.80 and 968,274.75 is: 1,336,228.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784,063.82 : 2,462,025.80 = 968,274.75 : x
  2. Step 2: Convert to fraction form
    1,784,063.82/2,462,025.80 = 968,274.75/x
  3. Step 3: Cross multiply
    1,784,063.82x = 2,462,025.80 × 968,274.75
  4. Step 4: Simplify right side
    1,784,063.82x = 2,383,917,415,988.55
  5. Step 5: Solve for x
    x = 2,383,917,415,988.55/1,784,063.82
  6. Step 6: Final answer
    x = 1,336,228.78

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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.