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Finding the Fourth Proportional to 598,388.77, 825,663.73 and 356,693.83

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Solution

The fourth proportional to 598,388.77, 825,663.73 and 356,693.83 is: 492,170.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,388.77 : 825,663.73 = 356,693.83 : x
  2. Step 2: Convert to fraction form
    598,388.77/825,663.73 = 356,693.83/x
  3. Step 3: Cross multiply
    598,388.77x = 825,663.73 × 356,693.83
  4. Step 4: Simplify right side
    598,388.77x = 294,509,155,858.69
  5. Step 5: Solve for x
    x = 294,509,155,858.69/598,388.77
  6. Step 6: Final answer
    x = 492,170.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.