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Finding the Fourth Proportional to 652,733.40, 978,426.48 and 273,874.20

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Solution

The fourth proportional to 652,733.40, 978,426.48 and 273,874.20 is: 410,528.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,733.40 : 978,426.48 = 273,874.20 : x
  2. Step 2: Convert to fraction form
    652,733.40/978,426.48 = 273,874.20/x
  3. Step 3: Cross multiply
    652,733.40x = 978,426.48 × 273,874.20
  4. Step 4: Simplify right side
    652,733.40x = 267,965,769,468.82
  5. Step 5: Solve for x
    x = 267,965,769,468.82/652,733.40
  6. Step 6: Final answer
    x = 410,528.66

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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.