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Finding the Fourth Proportional to 544,362.27, 816,677.36 and 189,379.37

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Solution

The fourth proportional to 544,362.27, 816,677.36 and 189,379.37 is: 284,115.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,362.27 : 816,677.36 = 189,379.37 : x
  2. Step 2: Convert to fraction form
    544,362.27/816,677.36 = 189,379.37/x
  3. Step 3: Cross multiply
    544,362.27x = 816,677.36 × 189,379.37
  4. Step 4: Simplify right side
    544,362.27x = 154,661,838,899.78
  5. Step 5: Solve for x
    x = 154,661,838,899.78/544,362.27
  6. Step 6: Final answer
    x = 284,115.65

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1.5x scale

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.