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Finding the Fourth Proportional to 362,616, 543,535.20 and 175,214.40

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Solution

The fourth proportional to 362,616, 543,535.20 and 175,214.40 is: 262,633.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,616 : 543,535.20 = 175,214.40 : x
  2. Step 2: Convert to fraction form
    362,616/543,535.20 = 175,214.40/x
  3. Step 3: Cross multiply
    362,616x = 543,535.20 × 175,214.40
  4. Step 4: Simplify right side
    362,616x = 95,235,193,946.88
  5. Step 5: Solve for x
    x = 95,235,193,946.88/362,616
  6. Step 6: Final answer
    x = 262,633.73

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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.