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Finding the Fourth Proportional to 359,518.84, 496,135.62 and 198,373.88

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Solution

The fourth proportional to 359,518.84, 496,135.62 and 198,373.88 is: 273,755.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,518.84 : 496,135.62 = 198,373.88 : x
  2. Step 2: Convert to fraction form
    359,518.84/496,135.62 = 198,373.88/x
  3. Step 3: Cross multiply
    359,518.84x = 496,135.62 × 198,373.88
  4. Step 4: Simplify right side
    359,518.84x = 98,420,346,395.18
  5. Step 5: Solve for x
    x = 98,420,346,395.18/359,518.84
  6. Step 6: Final answer
    x = 273,755.74

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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.