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Finding the Fourth Proportional to 461,333.15, 636,625.31 and 270,473.66

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Solution

The fourth proportional to 461,333.15, 636,625.31 and 270,473.66 is: 373,245.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,333.15 : 636,625.31 = 270,473.66 : x
  2. Step 2: Convert to fraction form
    461,333.15/636,625.31 = 270,473.66/x
  3. Step 3: Cross multiply
    461,333.15x = 636,625.31 × 270,473.66
  4. Step 4: Simplify right side
    461,333.15x = 172,190,379,912.08
  5. Step 5: Solve for x
    x = 172,190,379,912.08/461,333.15
  6. Step 6: Final answer
    x = 373,245.19

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1.5x scale

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.