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Finding the Fourth Proportional to 359,086.64, 495,517.30 and 197,933.36

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Solution

The fourth proportional to 359,086.64, 495,517.30 and 197,933.36 is: 273,135.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,086.64 : 495,517.30 = 197,933.36 : x
  2. Step 2: Convert to fraction form
    359,086.64/495,517.30 = 197,933.36/x
  3. Step 3: Cross multiply
    359,086.64x = 495,517.30 × 197,933.36
  4. Step 4: Simplify right side
    359,086.64x = 98,079,401,154.71
  5. Step 5: Solve for x
    x = 98,079,401,154.71/359,086.64
  6. Step 6: Final answer
    x = 273,135.76

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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.