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Finding the Fourth Proportional to 443,159.64, 664,826.94 and 162,679.32

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Solution

The fourth proportional to 443,159.64, 664,826.94 and 162,679.32 is: 244,051.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,159.64 : 664,826.94 = 162,679.32 : x
  2. Step 2: Convert to fraction form
    443,159.64/664,826.94 = 162,679.32/x
  3. Step 3: Cross multiply
    443,159.64x = 664,826.94 × 162,679.32
  4. Step 4: Simplify right side
    443,159.64x = 108,153,594,516.88
  5. Step 5: Solve for x
    x = 108,153,594,516.88/443,159.64
  6. Step 6: Final answer
    x = 244,051.09

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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.