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Finding the Fourth Proportional to 653,069.43, 979,982.48 and 273,956.63

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Solution

The fourth proportional to 653,069.43, 979,982.48 and 273,956.63 is: 411,093.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,069.43 : 979,982.48 = 273,956.63 : x
  2. Step 2: Convert to fraction form
    653,069.43/979,982.48 = 273,956.63/x
  3. Step 3: Cross multiply
    653,069.43x = 979,982.48 × 273,956.63
  4. Step 4: Simplify right side
    653,069.43x = 268,472,693,464.82
  5. Step 5: Solve for x
    x = 268,472,693,464.82/653,069.43
  6. Step 6: Final answer
    x = 411,093.65

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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.