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Finding the Fourth Proportional to 365,977.30, 548,585.35 and 141,491.92

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Solution

The fourth proportional to 365,977.30, 548,585.35 and 141,491.92 is: 212,090.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,977.30 : 548,585.35 = 141,491.92 : x
  2. Step 2: Convert to fraction form
    365,977.30/548,585.35 = 141,491.92/x
  3. Step 3: Cross multiply
    365,977.30x = 548,585.35 × 141,491.92
  4. Step 4: Simplify right side
    365,977.30x = 77,620,394,455.37
  5. Step 5: Solve for x
    x = 77,620,394,455.37/365,977.30
  6. Step 6: Final answer
    x = 212,090.73

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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.