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Finding the Fourth Proportional to 325,403.88, 449,053.94 and 182,165.10

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Solution

The fourth proportional to 325,403.88, 449,053.94 and 182,165.10 is: 251,385.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,403.88 : 449,053.94 = 182,165.10 : x
  2. Step 2: Convert to fraction form
    325,403.88/449,053.94 = 182,165.10/x
  3. Step 3: Cross multiply
    325,403.88x = 449,053.94 × 182,165.10
  4. Step 4: Simplify right side
    325,403.88x = 81,801,955,885.49
  5. Step 5: Solve for x
    x = 81,801,955,885.49/325,403.88
  6. Step 6: Final answer
    x = 251,385.93

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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.