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Finding the Fourth Proportional to 446,377.10, 669,571.10 and 130,840.39

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Solution

The fourth proportional to 446,377.10, 669,571.10 and 130,840.39 is: 196,262.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,377.10 : 669,571.10 = 130,840.39 : x
  2. Step 2: Convert to fraction form
    446,377.10/669,571.10 = 130,840.39/x
  3. Step 3: Cross multiply
    446,377.10x = 669,571.10 × 130,840.39
  4. Step 4: Simplify right side
    446,377.10x = 87,606,939,854.67
  5. Step 5: Solve for x
    x = 87,606,939,854.67/446,377.10
  6. Step 6: Final answer
    x = 196,262.17

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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.