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Finding the Fourth Proportional to 653,006.73, 979,888.27 and 273,893.73

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Solution

The fourth proportional to 653,006.73, 979,888.27 and 273,893.73 is: 410,999.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,006.73 : 979,888.27 = 273,893.73 : x
  2. Step 2: Convert to fraction form
    653,006.73/979,888.27 = 273,893.73/x
  3. Step 3: Cross multiply
    653,006.73x = 979,888.27 × 273,893.73
  4. Step 4: Simplify right side
    653,006.73x = 268,385,253,253.55
  5. Step 5: Solve for x
    x = 268,385,253,253.55/653,006.73
  6. Step 6: Final answer
    x = 410,999.21

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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.