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Finding the Fourth Proportional to 359,684.85, 496,365.12 and 198,539.94

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Solution

The fourth proportional to 359,684.85, 496,365.12 and 198,539.94 is: 273,985.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,684.85 : 496,365.12 = 198,539.94 : x
  2. Step 2: Convert to fraction form
    359,684.85/496,365.12 = 198,539.94/x
  3. Step 3: Cross multiply
    359,684.85x = 496,365.12 × 198,539.94
  4. Step 4: Simplify right side
    359,684.85x = 98,548,301,142.89
  5. Step 5: Solve for x
    x = 98,548,301,142.89/359,684.85
  6. Step 6: Final answer
    x = 273,985.13

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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.