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Finding the Fourth Proportional to 544,067.20, 816,100.80 and 189,117.10

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Solution

The fourth proportional to 544,067.20, 816,100.80 and 189,117.10 is: 283,675.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,067.20 : 816,100.80 = 189,117.10 : x
  2. Step 2: Convert to fraction form
    544,067.20/816,100.80 = 189,117.10/x
  3. Step 3: Cross multiply
    544,067.20x = 816,100.80 × 189,117.10
  4. Step 4: Simplify right side
    544,067.20x = 154,338,616,603.68
  5. Step 5: Solve for x
    x = 154,338,616,603.68/544,067.20
  6. Step 6: Final answer
    x = 283,675.65

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.