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Finding the Fourth Proportional to 463,348.53, 639,385.65 and 259,352.73

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Solution

The fourth proportional to 463,348.53, 639,385.65 and 259,352.73 is: 357,887.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,348.53 : 639,385.65 = 259,352.73 : x
  2. Step 2: Convert to fraction form
    463,348.53/639,385.65 = 259,352.73/x
  3. Step 3: Cross multiply
    463,348.53x = 639,385.65 × 259,352.73
  4. Step 4: Simplify right side
    463,348.53x = 165,826,413,850.33
  5. Step 5: Solve for x
    x = 165,826,413,850.33/463,348.53
  6. Step 6: Final answer
    x = 357,887.00

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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.