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Finding the Fourth Proportional to 569,217.20, 853,825.80 and 214,310.84

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Solution

The fourth proportional to 569,217.20, 853,825.80 and 214,310.84 is: 321,466.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,217.20 : 853,825.80 = 214,310.84 : x
  2. Step 2: Convert to fraction form
    569,217.20/853,825.80 = 214,310.84/x
  3. Step 3: Cross multiply
    569,217.20x = 853,825.80 × 214,310.84
  4. Step 4: Simplify right side
    569,217.20x = 182,984,124,411.67
  5. Step 5: Solve for x
    x = 182,984,124,411.67/569,217.20
  6. Step 6: Final answer
    x = 321,466.26

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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.