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Finding the Fourth Proportional to 652,828.38, 978,927.60 and 273,647.30

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Solution

The fourth proportional to 652,828.38, 978,927.60 and 273,647.30 is: 410,338.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,828.38 : 978,927.60 = 273,647.30 : x
  2. Step 2: Convert to fraction form
    652,828.38/978,927.60 = 273,647.30/x
  3. Step 3: Cross multiply
    652,828.38x = 978,927.60 × 273,647.30
  4. Step 4: Simplify right side
    652,828.38x = 267,880,894,635.48
  5. Step 5: Solve for x
    x = 267,880,894,635.48/652,828.38
  6. Step 6: Final answer
    x = 410,338.92

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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.