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Finding the Fourth Proportional to 1,294,474.36, 1,941,709.86 and 347,845.10

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Solution

The fourth proportional to 1,294,474.36, 1,941,709.86 and 347,845.10 is: 521,767.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,474.36 : 1,941,709.86 = 347,845.10 : x
  2. Step 2: Convert to fraction form
    1,294,474.36/1,941,709.86 = 347,845.10/x
  3. Step 3: Cross multiply
    1,294,474.36x = 1,941,709.86 × 347,845.10
  4. Step 4: Simplify right side
    1,294,474.36x = 675,414,260,422.69
  5. Step 5: Solve for x
    x = 675,414,260,422.69/1,294,474.36
  6. Step 6: Final answer
    x = 521,767.20

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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.