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Finding the Fourth Proportional to 444,837.98, 613,920.32 and 253,879.94

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Solution

The fourth proportional to 444,837.98, 613,920.32 and 253,879.94 is: 350,379.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,837.98 : 613,920.32 = 253,879.94 : x
  2. Step 2: Convert to fraction form
    444,837.98/613,920.32 = 253,879.94/x
  3. Step 3: Cross multiply
    444,837.98x = 613,920.32 × 253,879.94
  4. Step 4: Simplify right side
    444,837.98x = 155,862,054,006.38
  5. Step 5: Solve for x
    x = 155,862,054,006.38/444,837.98
  6. Step 6: Final answer
    x = 350,379.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.