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Finding the Fourth Proportional to 652,771.71, 978,483.92 and 273,912.44

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Solution

The fourth proportional to 652,771.71, 978,483.92 and 273,912.44 is: 410,585.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,771.71 : 978,483.92 = 273,912.44 : x
  2. Step 2: Convert to fraction form
    652,771.71/978,483.92 = 273,912.44/x
  3. Step 3: Cross multiply
    652,771.71x = 978,483.92 × 273,912.44
  4. Step 4: Simplify right side
    652,771.71x = 268,018,911,765.98
  5. Step 5: Solve for x
    x = 268,018,911,765.98/652,771.71
  6. Step 6: Final answer
    x = 410,585.98

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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.