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Finding the Fourth Proportional to 451,090.80, 622,507.68 and 254,858.16

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Solution

The fourth proportional to 451,090.80, 622,507.68 and 254,858.16 is: 351,705.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,090.80 : 622,507.68 = 254,858.16 : x
  2. Step 2: Convert to fraction form
    451,090.80/622,507.68 = 254,858.16/x
  3. Step 3: Cross multiply
    451,090.80x = 622,507.68 × 254,858.16
  4. Step 4: Simplify right side
    451,090.80x = 158,651,161,910.67
  5. Step 5: Solve for x
    x = 158,651,161,910.67/451,090.80
  6. Step 6: Final answer
    x = 351,705.60

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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.