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Finding the Fourth Proportional to 484,353.63, 726,531.05 and 231,574.70

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Solution

The fourth proportional to 484,353.63, 726,531.05 and 231,574.70 is: 347,362.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,353.63 : 726,531.05 = 231,574.70 : x
  2. Step 2: Convert to fraction form
    484,353.63/726,531.05 = 231,574.70/x
  3. Step 3: Cross multiply
    484,353.63x = 726,531.05 × 231,574.70
  4. Step 4: Simplify right side
    484,353.63x = 168,246,212,339.70
  5. Step 5: Solve for x
    x = 168,246,212,339.70/484,353.63
  6. Step 6: Final answer
    x = 347,362.34

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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.