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Finding the Fourth Proportional to 446,681.88, 670,048.37 and 126,808.73

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Solution

The fourth proportional to 446,681.88, 670,048.37 and 126,808.73 is: 190,220.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,681.88 : 670,048.37 = 126,808.73 : x
  2. Step 2: Convert to fraction form
    446,681.88/670,048.37 = 126,808.73/x
  3. Step 3: Cross multiply
    446,681.88x = 670,048.37 × 126,808.73
  4. Step 4: Simplify right side
    446,681.88x = 84,967,984,354.88
  5. Step 5: Solve for x
    x = 84,967,984,354.88/446,681.88
  6. Step 6: Final answer
    x = 190,220.35

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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.