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Finding the Fourth Proportional to 544,821.57, 751,843.47 and 303,103.39

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Solution

The fourth proportional to 544,821.57, 751,843.47 and 303,103.39 is: 418,276.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,821.57 : 751,843.47 = 303,103.39 : x
  2. Step 2: Convert to fraction form
    544,821.57/751,843.47 = 303,103.39/x
  3. Step 3: Cross multiply
    544,821.57x = 751,843.47 × 303,103.39
  4. Step 4: Simplify right side
    544,821.57x = 227,886,304,506.36
  5. Step 5: Solve for x
    x = 227,886,304,506.36/544,821.57
  6. Step 6: Final answer
    x = 418,276.95

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Double scale
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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.