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Finding the Fourth Proportional to 359,694.30, 496,378.23 and 198,549.45

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Solution

The fourth proportional to 359,694.30, 496,378.23 and 198,549.45 is: 273,998.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,694.30 : 496,378.23 = 198,549.45 : x
  2. Step 2: Convert to fraction form
    359,694.30/496,378.23 = 198,549.45/x
  3. Step 3: Cross multiply
    359,694.30x = 496,378.23 × 198,549.45
  4. Step 4: Simplify right side
    359,694.30x = 98,555,624,558.47
  5. Step 5: Solve for x
    x = 98,555,624,558.47/359,694.30
  6. Step 6: Final answer
    x = 273,998.29

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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.