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Finding the Fourth Proportional to 359,994.32, 496,789.04 and 198,860.62

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Solution

The fourth proportional to 359,994.32, 496,789.04 and 198,860.62 is: 274,425.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,994.32 : 496,789.04 = 198,860.62 : x
  2. Step 2: Convert to fraction form
    359,994.32/496,789.04 = 198,860.62/x
  3. Step 3: Cross multiply
    359,994.32x = 496,789.04 × 198,860.62
  4. Step 4: Simplify right side
    359,994.32x = 98,791,776,503.60
  5. Step 5: Solve for x
    x = 98,791,776,503.60/359,994.32
  6. Step 6: Final answer
    x = 274,425.93

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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.