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Finding the Fourth Proportional to 484,402.85, 726,132.93 and 231,617.77

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Solution

The fourth proportional to 484,402.85, 726,132.93 and 231,617.77 is: 347,201.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,402.85 : 726,132.93 = 231,617.77 : x
  2. Step 2: Convert to fraction form
    484,402.85/726,132.93 = 231,617.77/x
  3. Step 3: Cross multiply
    484,402.85x = 726,132.93 × 231,617.77
  4. Step 4: Simplify right side
    484,402.85x = 168,185,290,009.27
  5. Step 5: Solve for x
    x = 168,185,290,009.27/484,402.85
  6. Step 6: Final answer
    x = 347,201.28

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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.