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Finding the Fourth Proportional to 576,687.72, 795,830.76 and 322,048.56

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Solution

The fourth proportional to 576,687.72, 795,830.76 and 322,048.56 is: 444,427.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,687.72 : 795,830.76 = 322,048.56 : x
  2. Step 2: Convert to fraction form
    576,687.72/795,830.76 = 322,048.56/x
  3. Step 3: Cross multiply
    576,687.72x = 795,830.76 × 322,048.56
  4. Step 4: Simplify right side
    576,687.72x = 256,296,150,261.71
  5. Step 5: Solve for x
    x = 256,296,150,261.71/576,687.72
  6. Step 6: Final answer
    x = 444,427.97

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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.