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Finding the Fourth Proportional to 576,729.72, 795,888.72 and 322,090.56

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Solution

The fourth proportional to 576,729.72, 795,888.72 and 322,090.56 is: 444,485.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,729.72 : 795,888.72 = 322,090.56 : x
  2. Step 2: Convert to fraction form
    576,729.72/795,888.72 = 322,090.56/x
  3. Step 3: Cross multiply
    576,729.72x = 795,888.72 × 322,090.56
  4. Step 4: Simplify right side
    576,729.72x = 256,348,243,522.48
  5. Step 5: Solve for x
    x = 256,348,243,522.48/576,729.72
  6. Step 6: Final answer
    x = 444,485.93

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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.