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Finding the Fourth Proportional to 359,777.16, 496,493.19 and 198,632.52

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Solution

The fourth proportional to 359,777.16, 496,493.19 and 198,632.52 is: 274,113.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,777.16 : 496,493.19 = 198,632.52 : x
  2. Step 2: Convert to fraction form
    359,777.16/496,493.19 = 198,632.52/x
  3. Step 3: Cross multiply
    359,777.16x = 496,493.19 × 198,632.52
  4. Step 4: Simplify right side
    359,777.16x = 98,619,693,492.54
  5. Step 5: Solve for x
    x = 98,619,693,492.54/359,777.16
  6. Step 6: Final answer
    x = 274,113.27

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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.