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Finding the Fourth Proportional to 484,894.80, 726,996.60 and 185,259.60

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Solution

The fourth proportional to 484,894.80, 726,996.60 and 185,259.60 is: 277,757.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,894.80 : 726,996.60 = 185,259.60 : x
  2. Step 2: Convert to fraction form
    484,894.80/726,996.60 = 185,259.60/x
  3. Step 3: Cross multiply
    484,894.80x = 726,996.60 × 185,259.60
  4. Step 4: Simplify right side
    484,894.80x = 134,683,099,317.36
  5. Step 5: Solve for x
    x = 134,683,099,317.36/484,894.80
  6. Step 6: Final answer
    x = 277,757.36

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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.