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Finding the Fourth Proportional to 477,578.32, 658,998.04 and 322,866.04

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Solution

The fourth proportional to 477,578.32, 658,998.04 and 322,866.04 is: 445,514.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,578.32 : 658,998.04 = 322,866.04 : x
  2. Step 2: Convert to fraction form
    477,578.32/658,998.04 = 322,866.04/x
  3. Step 3: Cross multiply
    477,578.32x = 658,998.04 × 322,866.04
  4. Step 4: Simplify right side
    477,578.32x = 212,768,087,542.56
  5. Step 5: Solve for x
    x = 212,768,087,542.56/477,578.32
  6. Step 6: Final answer
    x = 445,514.54

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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.