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Finding the Fourth Proportional to 452,766.71, 679,143.08 and 115,804.38

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Solution

The fourth proportional to 452,766.71, 679,143.08 and 115,804.38 is: 173,704.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,766.71 : 679,143.08 = 115,804.38 : x
  2. Step 2: Convert to fraction form
    452,766.71/679,143.08 = 115,804.38/x
  3. Step 3: Cross multiply
    452,766.71x = 679,143.08 × 115,804.38
  4. Step 4: Simplify right side
    452,766.71x = 78,647,746,146.99
  5. Step 5: Solve for x
    x = 78,647,746,146.99/452,766.71
  6. Step 6: Final answer
    x = 173,704.79

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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.