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Finding the Fourth Proportional to 359,777.90, 496,483.62 and 198,630.02

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Solution

The fourth proportional to 359,777.90, 496,483.62 and 198,630.02 is: 274,103.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,777.90 : 496,483.62 = 198,630.02 : x
  2. Step 2: Convert to fraction form
    359,777.90/496,483.62 = 198,630.02/x
  3. Step 3: Cross multiply
    359,777.90x = 496,483.62 × 198,630.02
  4. Step 4: Simplify right side
    359,777.90x = 98,616,551,370.27
  5. Step 5: Solve for x
    x = 98,616,551,370.27/359,777.90
  6. Step 6: Final answer
    x = 274,103.97

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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.