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Finding the Fourth Proportional to 544,700.25, 751,686.35 and 306,236.25

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Solution

The fourth proportional to 544,700.25, 751,686.35 and 306,236.25 is: 422,606.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,700.25 : 751,686.35 = 306,236.25 : x
  2. Step 2: Convert to fraction form
    544,700.25/751,686.35 = 306,236.25/x
  3. Step 3: Cross multiply
    544,700.25x = 751,686.35 × 306,236.25
  4. Step 4: Simplify right side
    544,700.25x = 230,193,607,469.01
  5. Step 5: Solve for x
    x = 230,193,607,469.01/544,700.25
  6. Step 6: Final answer
    x = 422,606.03

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Similar ratio
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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.