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Finding the Fourth Proportional to 359,522.90, 496,144.29 and 198,383.96

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Solution

The fourth proportional to 359,522.90, 496,144.29 and 198,383.96 is: 273,771.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,522.90 : 496,144.29 = 198,383.96 : x
  2. Step 2: Convert to fraction form
    359,522.90/496,144.29 = 198,383.96/x
  3. Step 3: Cross multiply
    359,522.90x = 496,144.29 × 198,383.96
  4. Step 4: Simplify right side
    359,522.90x = 98,427,068,981.59
  5. Step 5: Solve for x
    x = 98,427,068,981.59/359,522.90
  6. Step 6: Final answer
    x = 273,771.35

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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.