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Finding the Fourth Proportional to 359,659.92, 496,295.30 and 198,504.56

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Solution

The fourth proportional to 359,659.92, 496,295.30 and 198,504.56 is: 273,916.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,659.92 : 496,295.30 = 198,504.56 : x
  2. Step 2: Convert to fraction form
    359,659.92/496,295.30 = 198,504.56/x
  3. Step 3: Cross multiply
    359,659.92x = 496,295.30 × 198,504.56
  4. Step 4: Simplify right side
    359,659.92x = 98,516,880,156.57
  5. Step 5: Solve for x
    x = 98,516,880,156.57/359,659.92
  6. Step 6: Final answer
    x = 273,916.76

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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.