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Finding the Fourth Proportional to 359,198.60, 495,814.18 and 214,049.90

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Solution

The fourth proportional to 359,198.60, 495,814.18 and 214,049.90 is: 295,460.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,198.60 : 495,814.18 = 214,049.90 : x
  2. Step 2: Convert to fraction form
    359,198.60/495,814.18 = 214,049.90/x
  3. Step 3: Cross multiply
    359,198.60x = 495,814.18 × 214,049.90
  4. Step 4: Simplify right side
    359,198.60x = 106,128,975,647.58
  5. Step 5: Solve for x
    x = 106,128,975,647.58/359,198.60
  6. Step 6: Final answer
    x = 295,460.44

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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.