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Finding the Fourth Proportional to 604,800.92, 907,761.78 and 305,491.28

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Solution

The fourth proportional to 604,800.92, 907,761.78 and 305,491.28 is: 458,519.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,800.92 : 907,761.78 = 305,491.28 : x
  2. Step 2: Convert to fraction form
    604,800.92/907,761.78 = 305,491.28/x
  3. Step 3: Cross multiply
    604,800.92x = 907,761.78 × 305,491.28
  4. Step 4: Simplify right side
    604,800.92x = 277,313,303,568.47
  5. Step 5: Solve for x
    x = 277,313,303,568.47/604,800.92
  6. Step 6: Final answer
    x = 458,519.97

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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.