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Finding the Fourth Proportional to 349,750.69, 482,655.96 and 198,847.69

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Solution

The fourth proportional to 349,750.69, 482,655.96 and 198,847.69 is: 274,409.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,750.69 : 482,655.96 = 198,847.69 : x
  2. Step 2: Convert to fraction form
    349,750.69/482,655.96 = 198,847.69/x
  3. Step 3: Cross multiply
    349,750.69x = 482,655.96 × 198,847.69
  4. Step 4: Simplify right side
    349,750.69x = 95,975,021,504.09
  5. Step 5: Solve for x
    x = 95,975,021,504.09/349,750.69
  6. Step 6: Final answer
    x = 274,409.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.