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Finding the Fourth Proportional to 252,043.20, 377,671.07 and 214,448.67

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Solution

The fourth proportional to 252,043.20, 377,671.07 and 214,448.67 is: 321,338.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,043.20 : 377,671.07 = 214,448.67 : x
  2. Step 2: Convert to fraction form
    252,043.20/377,671.07 = 214,448.67/x
  3. Step 3: Cross multiply
    252,043.20x = 377,671.07 × 214,448.67
  4. Step 4: Simplify right side
    252,043.20x = 80,991,059,195.10
  5. Step 5: Solve for x
    x = 80,991,059,195.10/252,043.20
  6. Step 6: Final answer
    x = 321,338.01

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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.