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Finding the Fourth Proportional to 359,630.64, 496,289.27 and 198,484.54

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Solution

The fourth proportional to 359,630.64, 496,289.27 and 198,484.54 is: 273,908.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,630.64 : 496,289.27 = 198,484.54 : x
  2. Step 2: Convert to fraction form
    359,630.64/496,289.27 = 198,484.54/x
  3. Step 3: Cross multiply
    359,630.64x = 496,289.27 × 198,484.54
  4. Step 4: Simplify right side
    359,630.64x = 98,505,743,989.02
  5. Step 5: Solve for x
    x = 98,505,743,989.02/359,630.64
  6. Step 6: Final answer
    x = 273,908.10

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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.