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Finding the Fourth Proportional to 576,321.74, 863,755.43 and 292,083.72

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Solution

The fourth proportional to 576,321.74, 863,755.43 and 292,083.72 is: 437,757.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,321.74 : 863,755.43 = 292,083.72 : x
  2. Step 2: Convert to fraction form
    576,321.74/863,755.43 = 292,083.72/x
  3. Step 3: Cross multiply
    576,321.74x = 863,755.43 × 292,083.72
  4. Step 4: Simplify right side
    576,321.74x = 252,288,899,164.60
  5. Step 5: Solve for x
    x = 252,288,899,164.60/576,321.74
  6. Step 6: Final answer
    x = 437,757.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.