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Finding the Fourth Proportional to 2,007,658.79, 3,007,834.52 and 1,792,425.19

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Solution

The fourth proportional to 2,007,658.79, 3,007,834.52 and 1,792,425.19 is: 2,685,375.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,007,658.79 : 3,007,834.52 = 1,792,425.19 : x
  2. Step 2: Convert to fraction form
    2,007,658.79/3,007,834.52 = 1,792,425.19/x
  3. Step 3: Cross multiply
    2,007,658.79x = 3,007,834.52 × 1,792,425.19
  4. Step 4: Simplify right side
    2,007,658.79x = 5,391,318,336,998.26
  5. Step 5: Solve for x
    x = 5,391,318,336,998.26/2,007,658.79
  6. Step 6: Final answer
    x = 2,685,375.80

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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.