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Finding the Fourth Proportional to 565,486.20, 848,229.30 and 512,998.20

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Solution

The fourth proportional to 565,486.20, 848,229.30 and 512,998.20 is: 769,497.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,486.20 : 848,229.30 = 512,998.20 : x
  2. Step 2: Convert to fraction form
    565,486.20/848,229.30 = 512,998.20/x
  3. Step 3: Cross multiply
    565,486.20x = 848,229.30 × 512,998.20
  4. Step 4: Simplify right side
    565,486.20x = 435,140,104,087.26
  5. Step 5: Solve for x
    x = 435,140,104,087.26/565,486.20
  6. Step 6: Final answer
    x = 769,497.30

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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.