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Finding the Fourth Proportional to 325,638.01, 449,534.37 and 218,278.18

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Solution

The fourth proportional to 325,638.01, 449,534.37 and 218,278.18 is: 301,327.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,638.01 : 449,534.37 = 218,278.18 : x
  2. Step 2: Convert to fraction form
    325,638.01/449,534.37 = 218,278.18/x
  3. Step 3: Cross multiply
    325,638.01x = 449,534.37 × 218,278.18
  4. Step 4: Simplify right side
    325,638.01x = 98,123,544,131.05
  5. Step 5: Solve for x
    x = 98,123,544,131.05/325,638.01
  6. Step 6: Final answer
    x = 301,327.06

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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.