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Finding the Fourth Proportional to 1,702,836.96, 2,347,473.36 and 1,339,630.02

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Solution

The fourth proportional to 1,702,836.96, 2,347,473.36 and 1,339,630.02 is: 1,846,768.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,702,836.96 : 2,347,473.36 = 1,339,630.02 : x
  2. Step 2: Convert to fraction form
    1,702,836.96/2,347,473.36 = 1,339,630.02/x
  3. Step 3: Cross multiply
    1,702,836.96x = 2,347,473.36 × 1,339,630.02
  4. Step 4: Simplify right side
    1,702,836.96x = 3,144,745,784,206.27
  5. Step 5: Solve for x
    x = 3,144,745,784,206.27/1,702,836.96
  6. Step 6: Final answer
    x = 1,846,768.57

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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.