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Finding the Fourth Proportional to 567,230.80, 850,846.20 and 399,269.20

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Solution

The fourth proportional to 567,230.80, 850,846.20 and 399,269.20 is: 598,903.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,230.80 : 850,846.20 = 399,269.20 : x
  2. Step 2: Convert to fraction form
    567,230.80/850,846.20 = 399,269.20/x
  3. Step 3: Cross multiply
    567,230.80x = 850,846.20 × 399,269.20
  4. Step 4: Simplify right side
    567,230.80x = 339,716,681,597.04
  5. Step 5: Solve for x
    x = 339,716,681,597.04/567,230.80
  6. Step 6: Final answer
    x = 598,903.80

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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.