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Finding the Fourth Proportional to 359,663.22, 496,334.25 and 198,517.23

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Solution

The fourth proportional to 359,663.22, 496,334.25 and 198,517.23 is: 273,953.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,663.22 : 496,334.25 = 198,517.23 : x
  2. Step 2: Convert to fraction form
    359,663.22/496,334.25 = 198,517.23/x
  3. Step 3: Cross multiply
    359,663.22x = 496,334.25 × 198,517.23
  4. Step 4: Simplify right side
    359,663.22x = 98,530,900,464.13
  5. Step 5: Solve for x
    x = 98,530,900,464.13/359,663.22
  6. Step 6: Final answer
    x = 273,953.23

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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.