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Finding the Fourth Proportional to 484,313.40, 726,470.10 and 462,540.60

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Solution

The fourth proportional to 484,313.40, 726,470.10 and 462,540.60 is: 693,810.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,313.40 : 726,470.10 = 462,540.60 : x
  2. Step 2: Convert to fraction form
    484,313.40/726,470.10 = 462,540.60/x
  3. Step 3: Cross multiply
    484,313.40x = 726,470.10 × 462,540.60
  4. Step 4: Simplify right side
    484,313.40x = 336,021,915,936.06
  5. Step 5: Solve for x
    x = 336,021,915,936.06/484,313.40
  6. Step 6: Final answer
    x = 693,810.90

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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.