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Finding the Fourth Proportional to 446,180.64, 669,278.88 and 162,072.72

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Solution

The fourth proportional to 446,180.64, 669,278.88 and 162,072.72 is: 243,111.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,180.64 : 669,278.88 = 162,072.72 : x
  2. Step 2: Convert to fraction form
    446,180.64/669,278.88 = 162,072.72/x
  3. Step 3: Cross multiply
    446,180.64x = 669,278.88 × 162,072.72
  4. Step 4: Simplify right side
    446,180.64x = 108,471,848,520.15
  5. Step 5: Solve for x
    x = 108,471,848,520.15/446,180.64
  6. Step 6: Final answer
    x = 243,111.96

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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.