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Finding the Fourth Proportional to 317,049.76, 437,146.08 and 273,951.36

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Solution

The fourth proportional to 317,049.76, 437,146.08 and 273,951.36 is: 377,722.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,049.76 : 437,146.08 = 273,951.36 : x
  2. Step 2: Convert to fraction form
    317,049.76/437,146.08 = 273,951.36/x
  3. Step 3: Cross multiply
    317,049.76x = 437,146.08 × 273,951.36
  4. Step 4: Simplify right side
    317,049.76x = 119,756,763,134.67
  5. Step 5: Solve for x
    x = 119,756,763,134.67/317,049.76
  6. Step 6: Final answer
    x = 377,722.30

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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.