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Finding the Fourth Proportional to 291,668.24, 437,009.86 and 179,113.88

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Solution

The fourth proportional to 291,668.24, 437,009.86 and 179,113.88 is: 268,368.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,668.24 : 437,009.86 = 179,113.88 : x
  2. Step 2: Convert to fraction form
    291,668.24/437,009.86 = 179,113.88/x
  3. Step 3: Cross multiply
    291,668.24x = 437,009.86 × 179,113.88
  4. Step 4: Simplify right side
    291,668.24x = 78,274,531,622.86
  5. Step 5: Solve for x
    x = 78,274,531,622.86/291,668.24
  6. Step 6: Final answer
    x = 268,368.38

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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.