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Finding the Fourth Proportional to 564,940.46, 779,633.06 and 332,383.63

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Solution

The fourth proportional to 564,940.46, 779,633.06 and 332,383.63 is: 458,698.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,940.46 : 779,633.06 = 332,383.63 : x
  2. Step 2: Convert to fraction form
    564,940.46/779,633.06 = 332,383.63/x
  3. Step 3: Cross multiply
    564,940.46x = 779,633.06 × 332,383.63
  4. Step 4: Simplify right side
    564,940.46x = 259,137,266,550.81
  5. Step 5: Solve for x
    x = 259,137,266,550.81/564,940.46
  6. Step 6: Final answer
    x = 458,698.37

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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.