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Finding the Fourth Proportional to 835,364.36, 1,253,046.54 and 204,270.68

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Solution

The fourth proportional to 835,364.36, 1,253,046.54 and 204,270.68 is: 306,406.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,364.36 : 1,253,046.54 = 204,270.68 : x
  2. Step 2: Convert to fraction form
    835,364.36/1,253,046.54 = 204,270.68/x
  3. Step 3: Cross multiply
    835,364.36x = 1,253,046.54 × 204,270.68
  4. Step 4: Simplify right side
    835,364.36x = 255,960,668,797.45
  5. Step 5: Solve for x
    x = 255,960,668,797.45/835,364.36
  6. Step 6: Final answer
    x = 306,406.02

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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.