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Finding the Fourth Proportional to 652,367.52, 978,930.36 and 273,254.72

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Solution

The fourth proportional to 652,367.52, 978,930.36 and 273,254.72 is: 410,040.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,367.52 : 978,930.36 = 273,254.72 : x
  2. Step 2: Convert to fraction form
    652,367.52/978,930.36 = 273,254.72/x
  3. Step 3: Cross multiply
    652,367.52x = 978,930.36 × 273,254.72
  4. Step 4: Simplify right side
    652,367.52x = 267,497,336,526.65
  5. Step 5: Solve for x
    x = 267,497,336,526.65/652,367.52
  6. Step 6: Final answer
    x = 410,040.86

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.