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Finding the Fourth Proportional to 652,826.38, 978,924.60 and 273,645.30

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Solution

The fourth proportional to 652,826.38, 978,924.60 and 273,645.30 is: 410,335.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,826.38 : 978,924.60 = 273,645.30 : x
  2. Step 2: Convert to fraction form
    652,826.38/978,924.60 = 273,645.30/x
  3. Step 3: Cross multiply
    652,826.38x = 978,924.60 × 273,645.30
  4. Step 4: Simplify right side
    652,826.38x = 267,878,115,844.38
  5. Step 5: Solve for x
    x = 267,878,115,844.38/652,826.38
  6. Step 6: Final answer
    x = 410,335.92

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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.