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Finding the Fourth Proportional to 359,758.89, 496,467.90 and 198,614.21

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Solution

The fourth proportional to 359,758.89, 496,467.90 and 198,614.21 is: 274,087.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,758.89 : 496,467.90 = 198,614.21 : x
  2. Step 2: Convert to fraction form
    359,758.89/496,467.90 = 198,614.21/x
  3. Step 3: Cross multiply
    359,758.89x = 496,467.90 × 198,614.21
  4. Step 4: Simplify right side
    359,758.89x = 98,605,577,266.52
  5. Step 5: Solve for x
    x = 98,605,577,266.52/359,758.89
  6. Step 6: Final answer
    x = 274,087.95

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1.5x scale

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.