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Finding the Fourth Proportional to 544,920.42, 751,993.89 and 303,213.18

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Solution

The fourth proportional to 544,920.42, 751,993.89 and 303,213.18 is: 418,436.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,920.42 : 751,993.89 = 303,213.18 : x
  2. Step 2: Convert to fraction form
    544,920.42/751,993.89 = 303,213.18/x
  3. Step 3: Cross multiply
    544,920.42x = 751,993.89 × 303,213.18
  4. Step 4: Simplify right side
    544,920.42x = 228,014,458,727.47
  5. Step 5: Solve for x
    x = 228,014,458,727.47/544,920.42
  6. Step 6: Final answer
    x = 418,436.25

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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.