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Finding the Fourth Proportional to 491,951.88, 737,457.21 and 192,332.88

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Solution

The fourth proportional to 491,951.88, 737,457.21 and 192,332.88 is: 288,315.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,951.88 : 737,457.21 = 192,332.88 : x
  2. Step 2: Convert to fraction form
    491,951.88/737,457.21 = 192,332.88/x
  3. Step 3: Cross multiply
    491,951.88x = 737,457.21 × 192,332.88
  4. Step 4: Simplify right side
    491,951.88x = 141,837,269,076.07
  5. Step 5: Solve for x
    x = 141,837,269,076.07/491,951.88
  6. Step 6: Final answer
    x = 288,315.33

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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.