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Finding the Fourth Proportional to 446,571.90, 670,635.45 and 236,619.90

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Solution

The fourth proportional to 446,571.90, 670,635.45 and 236,619.90 is: 355,341.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,571.90 : 670,635.45 = 236,619.90 : x
  2. Step 2: Convert to fraction form
    446,571.90/670,635.45 = 236,619.90/x
  3. Step 3: Cross multiply
    446,571.90x = 670,635.45 × 236,619.90
  4. Step 4: Simplify right side
    446,571.90x = 158,685,693,115.46
  5. Step 5: Solve for x
    x = 158,685,693,115.46/446,571.90
  6. Step 6: Final answer
    x = 355,341.87

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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.