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Finding the Fourth Proportional to 359,994.28, 496,782.58 and 198,845.86

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Solution

The fourth proportional to 359,994.28, 496,782.58 and 198,845.86 is: 274,402.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,994.28 : 496,782.58 = 198,845.86 : x
  2. Step 2: Convert to fraction form
    359,994.28/496,782.58 = 198,845.86/x
  3. Step 3: Cross multiply
    359,994.28x = 496,782.58 × 198,845.86
  4. Step 4: Simplify right side
    359,994.28x = 98,783,159,353.12
  5. Step 5: Solve for x
    x = 98,783,159,353.12/359,994.28
  6. Step 6: Final answer
    x = 274,402.02

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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.