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Finding the Fourth Proportional to 325,368.72, 449,026.56 and 182,128.32

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Solution

The fourth proportional to 325,368.72, 449,026.56 and 182,128.32 is: 251,347.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,368.72 : 449,026.56 = 182,128.32 : x
  2. Step 2: Convert to fraction form
    325,368.72/449,026.56 = 182,128.32/x
  3. Step 3: Cross multiply
    325,368.72x = 449,026.56 × 182,128.32
  4. Step 4: Simplify right side
    325,368.72x = 81,780,453,008.18
  5. Step 5: Solve for x
    x = 81,780,453,008.18/325,368.72
  6. Step 6: Final answer
    x = 251,347.00

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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.