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Finding the Fourth Proportional to 653,951.93, 981,115.49 and 274,677.60

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Solution

The fourth proportional to 653,951.93, 981,115.49 and 274,677.60 is: 412,095.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,951.93 : 981,115.49 = 274,677.60 : x
  2. Step 2: Convert to fraction form
    653,951.93/981,115.49 = 274,677.60/x
  3. Step 3: Cross multiply
    653,951.93x = 981,115.49 × 274,677.60
  4. Step 4: Simplify right side
    653,951.93x = 269,490,448,116.02
  5. Step 5: Solve for x
    x = 269,490,448,116.02/653,951.93
  6. Step 6: Final answer
    x = 412,095.20

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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.