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Finding the Fourth Proportional to 367,630.20, 550,862.10 and 242,825.40

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Solution

The fourth proportional to 367,630.20, 550,862.10 and 242,825.40 is: 363,852.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,630.20 : 550,862.10 = 242,825.40 : x
  2. Step 2: Convert to fraction form
    367,630.20/550,862.10 = 242,825.40/x
  3. Step 3: Cross multiply
    367,630.20x = 550,862.10 × 242,825.40
  4. Step 4: Simplify right side
    367,630.20x = 133,763,309,777.34
  5. Step 5: Solve for x
    x = 133,763,309,777.34/367,630.20
  6. Step 6: Final answer
    x = 363,852.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.