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Finding the Fourth Proportional to 446,318.33, 669,478.21 and 109,359.95

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Solution

The fourth proportional to 446,318.33, 669,478.21 and 109,359.95 is: 164,040.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,318.33 : 669,478.21 = 109,359.95 : x
  2. Step 2: Convert to fraction form
    446,318.33/669,478.21 = 109,359.95/x
  3. Step 3: Cross multiply
    446,318.33x = 669,478.21 × 109,359.95
  4. Step 4: Simplify right side
    446,318.33x = 73,214,102,448.96
  5. Step 5: Solve for x
    x = 73,214,102,448.96/446,318.33
  6. Step 6: Final answer
    x = 164,040.10

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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.