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Finding the Fourth Proportional to 291,495.96, 436,256.31 and 179,247.27

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Solution

The fourth proportional to 291,495.96, 436,256.31 and 179,247.27 is: 268,263.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,495.96 : 436,256.31 = 179,247.27 : x
  2. Step 2: Convert to fraction form
    291,495.96/436,256.31 = 179,247.27/x
  3. Step 3: Cross multiply
    291,495.96x = 436,256.31 × 179,247.27
  4. Step 4: Simplify right side
    291,495.96x = 78,197,752,587.77
  5. Step 5: Solve for x
    x = 78,197,752,587.77/291,495.96
  6. Step 6: Final answer
    x = 268,263.59

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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.