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Finding the Fourth Proportional to 359,684.55, 496,364.76 and 198,539.69

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Solution

The fourth proportional to 359,684.55, 496,364.76 and 198,539.69 is: 273,984.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,684.55 : 496,364.76 = 198,539.69 : x
  2. Step 2: Convert to fraction form
    359,684.55/496,364.76 = 198,539.69/x
  3. Step 3: Cross multiply
    359,684.55x = 496,364.76 × 198,539.69
  4. Step 4: Simplify right side
    359,684.55x = 98,548,103,095.50
  5. Step 5: Solve for x
    x = 98,548,103,095.50/359,684.55
  6. Step 6: Final answer
    x = 273,984.81

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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.