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Finding the Fourth Proportional to 359,628.53, 496,288.40 and 196,286.53

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Solution

The fourth proportional to 359,628.53, 496,288.40 and 196,286.53 is: 270,875.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,628.53 : 496,288.40 = 196,286.53 : x
  2. Step 2: Convert to fraction form
    359,628.53/496,288.40 = 196,286.53/x
  3. Step 3: Cross multiply
    359,628.53x = 496,288.40 × 196,286.53
  4. Step 4: Simplify right side
    359,628.53x = 97,414,727,915.25
  5. Step 5: Solve for x
    x = 97,414,727,915.25/359,628.53
  6. Step 6: Final answer
    x = 270,875.97

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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.