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Finding the Fourth Proportional to 331,577.37, 457,580.21 and 180,674.37

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Solution

The fourth proportional to 331,577.37, 457,580.21 and 180,674.37 is: 249,332.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,577.37 : 457,580.21 = 180,674.37 : x
  2. Step 2: Convert to fraction form
    331,577.37/457,580.21 = 180,674.37/x
  3. Step 3: Cross multiply
    331,577.37x = 457,580.21 × 180,674.37
  4. Step 4: Simplify right side
    331,577.37x = 82,673,015,262.85
  5. Step 5: Solve for x
    x = 82,673,015,262.85/331,577.37
  6. Step 6: Final answer
    x = 249,332.50

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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.