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Finding the Fourth Proportional to 359,992.40, 496,784.46 and 196,646.96

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Solution

The fourth proportional to 359,992.40, 496,784.46 and 196,646.96 is: 271,370.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,992.40 : 496,784.46 = 196,646.96 : x
  2. Step 2: Convert to fraction form
    359,992.40/496,784.46 = 196,646.96/x
  3. Step 3: Cross multiply
    359,992.40x = 496,784.46 × 196,646.96
  4. Step 4: Simplify right side
    359,992.40x = 97,691,155,076.20
  5. Step 5: Solve for x
    x = 97,691,155,076.20/359,992.40
  6. Step 6: Final answer
    x = 271,370.05

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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.