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Finding the Fourth Proportional to 360,446.52, 540,969.30 and 192,150.84

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Solution

The fourth proportional to 360,446.52, 540,969.30 and 192,150.84 is: 288,385.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,446.52 : 540,969.30 = 192,150.84 : x
  2. Step 2: Convert to fraction form
    360,446.52/540,969.30 = 192,150.84/x
  3. Step 3: Cross multiply
    360,446.52x = 540,969.30 × 192,150.84
  4. Step 4: Simplify right side
    360,446.52x = 103,947,705,409.21
  5. Step 5: Solve for x
    x = 103,947,705,409.21/360,446.52
  6. Step 6: Final answer
    x = 288,385.93

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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.