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Finding the Fourth Proportional to 484,228.60, 726,083.70 and 203,428.60

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Solution

The fourth proportional to 484,228.60, 726,083.70 and 203,428.60 is: 305,034.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,228.60 : 726,083.70 = 203,428.60 : x
  2. Step 2: Convert to fraction form
    484,228.60/726,083.70 = 203,428.60/x
  3. Step 3: Cross multiply
    484,228.60x = 726,083.70 × 203,428.60
  4. Step 4: Simplify right side
    484,228.60x = 147,706,190,573.82
  5. Step 5: Solve for x
    x = 147,706,190,573.82/484,228.60
  6. Step 6: Final answer
    x = 305,034.01

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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.