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Finding the Fourth Proportional to 359,616.84, 496,233.72 and 198,468.96

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Solution

The fourth proportional to 359,616.84, 496,233.72 and 198,468.96 is: 273,866.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,616.84 : 496,233.72 = 198,468.96 : x
  2. Step 2: Convert to fraction form
    359,616.84/496,233.72 = 198,468.96/x
  3. Step 3: Cross multiply
    359,616.84x = 496,233.72 × 198,468.96
  4. Step 4: Simplify right side
    359,616.84x = 98,486,990,325.33
  5. Step 5: Solve for x
    x = 98,486,990,325.33/359,616.84
  6. Step 6: Final answer
    x = 273,866.46

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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.