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Finding the Fourth Proportional to 614,542.92, 848,119.74 and 338,954.76

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Solution

The fourth proportional to 614,542.92, 848,119.74 and 338,954.76 is: 467,785.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,542.92 : 848,119.74 = 338,954.76 : x
  2. Step 2: Convert to fraction form
    614,542.92/848,119.74 = 338,954.76/x
  3. Step 3: Cross multiply
    614,542.92x = 848,119.74 × 338,954.76
  4. Step 4: Simplify right side
    614,542.92x = 287,474,222,922.96
  5. Step 5: Solve for x
    x = 287,474,222,922.96/614,542.92
  6. Step 6: Final answer
    x = 467,785.43

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.