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Finding the Fourth Proportional to 544,062.20, 816,093.30 and 189,112.10

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Solution

The fourth proportional to 544,062.20, 816,093.30 and 189,112.10 is: 283,668.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,062.20 : 816,093.30 = 189,112.10 : x
  2. Step 2: Convert to fraction form
    544,062.20/816,093.30 = 189,112.10/x
  3. Step 3: Cross multiply
    544,062.20x = 816,093.30 × 189,112.10
  4. Step 4: Simplify right side
    544,062.20x = 154,333,117,758.93
  5. Step 5: Solve for x
    x = 154,333,117,758.93/544,062.20
  6. Step 6: Final answer
    x = 283,668.15

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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.