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Finding the Fourth Proportional to 484,025.02, 726,135.54 and 203,542

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Solution

The fourth proportional to 484,025.02, 726,135.54 and 203,542 is: 305,354.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,025.02 : 726,135.54 = 203,542 : x
  2. Step 2: Convert to fraction form
    484,025.02/726,135.54 = 203,542/x
  3. Step 3: Cross multiply
    484,025.02x = 726,135.54 × 203,542
  4. Step 4: Simplify right side
    484,025.02x = 147,799,080,082.68
  5. Step 5: Solve for x
    x = 147,799,080,082.68/484,025.02
  6. Step 6: Final answer
    x = 305,354.22

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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.