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Finding the Fourth Proportional to 544,597.75, 751,544.90 and 306,133.75

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Solution

The fourth proportional to 544,597.75, 751,544.90 and 306,133.75 is: 422,464.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,597.75 : 751,544.90 = 306,133.75 : x
  2. Step 2: Convert to fraction form
    544,597.75/751,544.90 = 306,133.75/x
  3. Step 3: Cross multiply
    544,597.75x = 751,544.90 × 306,133.75
  4. Step 4: Simplify right side
    544,597.75x = 230,073,258,530.38
  5. Step 5: Solve for x
    x = 230,073,258,530.38/544,597.75
  6. Step 6: Final answer
    x = 422,464.58

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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.