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Finding the Fourth Proportional to 569,205.59, 853,808.39 and 214,299.23

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Solution

The fourth proportional to 569,205.59, 853,808.39 and 214,299.23 is: 321,448.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,205.59 : 853,808.39 = 214,299.23 : x
  2. Step 2: Convert to fraction form
    569,205.59/853,808.39 = 214,299.23/x
  3. Step 3: Cross multiply
    569,205.59x = 853,808.39 × 214,299.23
  4. Step 4: Simplify right side
    569,205.59x = 182,970,481,607.57
  5. Step 5: Solve for x
    x = 182,970,481,607.57/569,205.59
  6. Step 6: Final answer
    x = 321,448.85

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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.