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Finding the Fourth Proportional to 469,625.85, 648,083.36 and 254,765.93

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Solution

The fourth proportional to 469,625.85, 648,083.36 and 254,765.93 is: 351,576.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,625.85 : 648,083.36 = 254,765.93 : x
  2. Step 2: Convert to fraction form
    469,625.85/648,083.36 = 254,765.93/x
  3. Step 3: Cross multiply
    469,625.85x = 648,083.36 × 254,765.93
  4. Step 4: Simplify right side
    469,625.85x = 165,109,557,324.42
  5. Step 5: Solve for x
    x = 165,109,557,324.42/469,625.85
  6. Step 6: Final answer
    x = 351,576.81

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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.