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Finding the Fourth Proportional to 245,269.80, 367,904.70 and 231,491.70

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Solution

The fourth proportional to 245,269.80, 367,904.70 and 231,491.70 is: 347,237.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,269.80 : 367,904.70 = 231,491.70 : x
  2. Step 2: Convert to fraction form
    245,269.80/367,904.70 = 231,491.70/x
  3. Step 3: Cross multiply
    245,269.80x = 367,904.70 × 231,491.70
  4. Step 4: Simplify right side
    245,269.80x = 85,166,884,440.99
  5. Step 5: Solve for x
    x = 85,166,884,440.99/245,269.80
  6. Step 6: Final answer
    x = 347,237.55

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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.