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Finding the Fourth Proportional to 484,434, 726,798.96 and 247,944.24

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Solution

The fourth proportional to 484,434, 726,798.96 and 247,944.24 is: 371,992.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,434 : 726,798.96 = 247,944.24 : x
  2. Step 2: Convert to fraction form
    484,434/726,798.96 = 247,944.24/x
  3. Step 3: Cross multiply
    484,434x = 726,798.96 × 247,944.24
  4. Step 4: Simplify right side
    484,434x = 180,205,615,769.99
  5. Step 5: Solve for x
    x = 180,205,615,769.99/484,434
  6. Step 6: Final answer
    x = 371,992.09

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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.