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Finding the Fourth Proportional to 359,563.16, 496,198.62 and 198,422.87

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Solution

The fourth proportional to 359,563.16, 496,198.62 and 198,422.87 is: 273,824.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,563.16 : 496,198.62 = 198,422.87 : x
  2. Step 2: Convert to fraction form
    359,563.16/496,198.62 = 198,422.87/x
  3. Step 3: Cross multiply
    359,563.16x = 496,198.62 × 198,422.87
  4. Step 4: Simplify right side
    359,563.16x = 98,457,151,789.45
  5. Step 5: Solve for x
    x = 98,457,151,789.45/359,563.16
  6. Step 6: Final answer
    x = 273,824.36

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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.