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Finding the Fourth Proportional to 484,230.20, 726,126.60 and 217,853.60

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Solution

The fourth proportional to 484,230.20, 726,126.60 and 217,853.60 is: 326,682.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,230.20 : 726,126.60 = 217,853.60 : x
  2. Step 2: Convert to fraction form
    484,230.20/726,126.60 = 217,853.60/x
  3. Step 3: Cross multiply
    484,230.20x = 726,126.60 × 217,853.60
  4. Step 4: Simplify right side
    484,230.20x = 158,189,293,865.76
  5. Step 5: Solve for x
    x = 158,189,293,865.76/484,230.20
  6. Step 6: Final answer
    x = 326,682.01

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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.