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Finding the Fourth Proportional to 359,662.88, 496,299.36 and 198,507.56

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Solution

The fourth proportional to 359,662.88, 496,299.36 and 198,507.56 is: 273,920.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,662.88 : 496,299.36 = 198,507.56 : x
  2. Step 2: Convert to fraction form
    359,662.88/496,299.36 = 198,507.56/x
  3. Step 3: Cross multiply
    359,662.88x = 496,299.36 × 198,507.56
  4. Step 4: Simplify right side
    359,662.88x = 98,519,174,983.16
  5. Step 5: Solve for x
    x = 98,519,174,983.16/359,662.88
  6. Step 6: Final answer
    x = 273,920.89

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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.