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Finding the Fourth Proportional to 359,660.88, 496,296.60 and 198,505.56

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Solution

The fourth proportional to 359,660.88, 496,296.60 and 198,505.56 is: 273,918.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,660.88 : 496,296.60 = 198,505.56 : x
  2. Step 2: Convert to fraction form
    359,660.88/496,296.60 = 198,505.56/x
  3. Step 3: Cross multiply
    359,660.88x = 496,296.60 × 198,505.56
  4. Step 4: Simplify right side
    359,660.88x = 98,517,634,509.10
  5. Step 5: Solve for x
    x = 98,517,634,509.10/359,660.88
  6. Step 6: Final answer
    x = 273,918.13

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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.