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Finding the Fourth Proportional to 365,737.14, 548,107.20 and 223,632

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Solution

The fourth proportional to 365,737.14, 548,107.20 and 223,632 is: 335,143.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,737.14 : 548,107.20 = 223,632 : x
  2. Step 2: Convert to fraction form
    365,737.14/548,107.20 = 223,632/x
  3. Step 3: Cross multiply
    365,737.14x = 548,107.20 × 223,632
  4. Step 4: Simplify right side
    365,737.14x = 122,574,309,350.40
  5. Step 5: Solve for x
    x = 122,574,309,350.40/365,737.14
  6. Step 6: Final answer
    x = 335,143.18

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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.