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Finding the Fourth Proportional to 311,468.63, 466,883.77 and 236,429.92

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Solution

The fourth proportional to 311,468.63, 466,883.77 and 236,429.92 is: 354,402.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,468.63 : 466,883.77 = 236,429.92 : x
  2. Step 2: Convert to fraction form
    311,468.63/466,883.77 = 236,429.92/x
  3. Step 3: Cross multiply
    311,468.63x = 466,883.77 × 236,429.92
  4. Step 4: Simplify right side
    311,468.63x = 110,385,293,491.19
  5. Step 5: Solve for x
    x = 110,385,293,491.19/311,468.63
  6. Step 6: Final answer
    x = 354,402.61

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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.