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Finding the Fourth Proportional to 544,963.25, 751,962.60 and 303,245.07

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Solution

The fourth proportional to 544,963.25, 751,962.60 and 303,245.07 is: 418,429.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,963.25 : 751,962.60 = 303,245.07 : x
  2. Step 2: Convert to fraction form
    544,963.25/751,962.60 = 303,245.07/x
  3. Step 3: Cross multiply
    544,963.25x = 751,962.60 × 303,245.07
  4. Step 4: Simplify right side
    544,963.25x = 228,028,951,274.38
  5. Step 5: Solve for x
    x = 228,028,951,274.38/544,963.25
  6. Step 6: Final answer
    x = 418,429.96

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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.