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Finding the Fourth Proportional to 291,696.42, 437,817.72 and 179,595.48

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Solution

The fourth proportional to 291,696.42, 437,817.72 and 179,595.48 is: 269,561.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,696.42 : 437,817.72 = 179,595.48 : x
  2. Step 2: Convert to fraction form
    291,696.42/437,817.72 = 179,595.48/x
  3. Step 3: Cross multiply
    291,696.42x = 437,817.72 × 179,595.48
  4. Step 4: Simplify right side
    291,696.42x = 78,630,083,575.91
  5. Step 5: Solve for x
    x = 78,630,083,575.91/291,696.42
  6. Step 6: Final answer
    x = 269,561.36

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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.