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Finding the Fourth Proportional to 484,548.60, 726,563.70 and 203,748.60

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Solution

The fourth proportional to 484,548.60, 726,563.70 and 203,748.60 is: 305,513.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,548.60 : 726,563.70 = 203,748.60 : x
  2. Step 2: Convert to fraction form
    484,548.60/726,563.70 = 203,748.60/x
  3. Step 3: Cross multiply
    484,548.60x = 726,563.70 × 203,748.60
  4. Step 4: Simplify right side
    484,548.60x = 148,036,336,685.82
  5. Step 5: Solve for x
    x = 148,036,336,685.82/484,548.60
  6. Step 6: Final answer
    x = 305,513.91

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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.