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Finding the Fourth Proportional to 437,229.17, 603,419.30 and 255,930.11

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Solution

The fourth proportional to 437,229.17, 603,419.30 and 255,930.11 is: 353,208.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,229.17 : 603,419.30 = 255,930.11 : x
  2. Step 2: Convert to fraction form
    437,229.17/603,419.30 = 255,930.11/x
  3. Step 3: Cross multiply
    437,229.17x = 603,419.30 × 255,930.11
  4. Step 4: Simplify right side
    437,229.17x = 154,433,167,825.12
  5. Step 5: Solve for x
    x = 154,433,167,825.12/437,229.17
  6. Step 6: Final answer
    x = 353,208.75

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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.