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Finding the Fourth Proportional to 325,395.90, 449,042.88 and 182,157.12

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Solution

The fourth proportional to 325,395.90, 449,042.88 and 182,157.12 is: 251,374.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,395.90 : 449,042.88 = 182,157.12 : x
  2. Step 2: Convert to fraction form
    325,395.90/449,042.88 = 182,157.12/x
  3. Step 3: Cross multiply
    325,395.90x = 449,042.88 × 182,157.12
  4. Step 4: Simplify right side
    325,395.90x = 81,796,357,777.31
  5. Step 5: Solve for x
    x = 81,796,357,777.31/325,395.90
  6. Step 6: Final answer
    x = 251,374.89

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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.