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Finding the Fourth Proportional to 662,685.20, 994,027.80 and 463,230.80

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Solution

The fourth proportional to 662,685.20, 994,027.80 and 463,230.80 is: 694,846.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,685.20 : 994,027.80 = 463,230.80 : x
  2. Step 2: Convert to fraction form
    662,685.20/994,027.80 = 463,230.80/x
  3. Step 3: Cross multiply
    662,685.20x = 994,027.80 × 463,230.80
  4. Step 4: Simplify right side
    662,685.20x = 460,464,293,016.24
  5. Step 5: Solve for x
    x = 460,464,293,016.24/662,685.20
  6. Step 6: Final answer
    x = 694,846.20

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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.