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Finding the Fourth Proportional to 652,806.18, 978,502.98 and 273,932.73

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Solution

The fourth proportional to 652,806.18, 978,502.98 and 273,932.73 is: 410,602.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,806.18 : 978,502.98 = 273,932.73 : x
  2. Step 2: Convert to fraction form
    652,806.18/978,502.98 = 273,932.73/x
  3. Step 3: Cross multiply
    652,806.18x = 978,502.98 × 273,932.73
  4. Step 4: Simplify right side
    652,806.18x = 268,043,992,624.54
  5. Step 5: Solve for x
    x = 268,043,992,624.54/652,806.18
  6. Step 6: Final answer
    x = 410,602.72

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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.