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Finding the Fourth Proportional to 569,216.70, 853,825.05 and 214,310.34

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Solution

The fourth proportional to 569,216.70, 853,825.05 and 214,310.34 is: 321,465.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,216.70 : 853,825.05 = 214,310.34 : x
  2. Step 2: Convert to fraction form
    569,216.70/853,825.05 = 214,310.34/x
  3. Step 3: Cross multiply
    569,216.70x = 853,825.05 × 214,310.34
  4. Step 4: Simplify right side
    569,216.70x = 182,983,536,766.02
  5. Step 5: Solve for x
    x = 182,983,536,766.02/569,216.70
  6. Step 6: Final answer
    x = 321,465.51

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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.