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Finding the Fourth Proportional to 609,333.44, 914,112.54 and 204,485.72

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Solution

The fourth proportional to 609,333.44, 914,112.54 and 204,485.72 is: 306,766.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,333.44 : 914,112.54 = 204,485.72 : x
  2. Step 2: Convert to fraction form
    609,333.44/914,112.54 = 204,485.72/x
  3. Step 3: Cross multiply
    609,333.44x = 914,112.54 × 204,485.72
  4. Step 4: Simplify right side
    609,333.44x = 186,922,956,332.37
  5. Step 5: Solve for x
    x = 186,922,956,332.37/609,333.44
  6. Step 6: Final answer
    x = 306,766.29

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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.