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Finding the Fourth Proportional to 446,852.28, 670,279.62 and 131,333.78

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Solution

The fourth proportional to 446,852.28, 670,279.62 and 131,333.78 is: 197,001.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,852.28 : 670,279.62 = 131,333.78 : x
  2. Step 2: Convert to fraction form
    446,852.28/670,279.62 = 131,333.78/x
  3. Step 3: Cross multiply
    446,852.28x = 670,279.62 × 131,333.78
  4. Step 4: Simplify right side
    446,852.28x = 88,030,356,151.56
  5. Step 5: Solve for x
    x = 88,030,356,151.56/446,852.28
  6. Step 6: Final answer
    x = 197,001.02

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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.