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Finding the Fourth Proportional to 637,244.38, 879,481.22 and 382,611.97

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Solution

The fourth proportional to 637,244.38, 879,481.22 and 382,611.97 is: 528,054.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,244.38 : 879,481.22 = 382,611.97 : x
  2. Step 2: Convert to fraction form
    637,244.38/879,481.22 = 382,611.97/x
  3. Step 3: Cross multiply
    637,244.38x = 879,481.22 × 382,611.97
  4. Step 4: Simplify right side
    637,244.38x = 336,500,042,162.20
  5. Step 5: Solve for x
    x = 336,500,042,162.20/637,244.38
  6. Step 6: Final answer
    x = 528,054.94

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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.