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Finding the Fourth Proportional to 359,963.84, 496,747.14 and 196,620.45

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Solution

The fourth proportional to 359,963.84, 496,747.14 and 196,620.45 is: 271,334.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,963.84 : 496,747.14 = 196,620.45 : x
  2. Step 2: Convert to fraction form
    359,963.84/496,747.14 = 196,620.45/x
  3. Step 3: Cross multiply
    359,963.84x = 496,747.14 × 196,620.45
  4. Step 4: Simplify right side
    359,963.84x = 97,670,646,203.01
  5. Step 5: Solve for x
    x = 97,670,646,203.01/359,963.84
  6. Step 6: Final answer
    x = 271,334.60

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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.