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Finding the Fourth Proportional to 569,239.79, 853,982.69 and 214,252.76

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Solution

The fourth proportional to 569,239.79, 853,982.69 and 214,252.76 is: 321,425.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,239.79 : 853,982.69 = 214,252.76 : x
  2. Step 2: Convert to fraction form
    569,239.79/853,982.69 = 214,252.76/x
  3. Step 3: Cross multiply
    569,239.79x = 853,982.69 × 214,252.76
  4. Step 4: Simplify right side
    569,239.79x = 182,968,149,388.42
  5. Step 5: Solve for x
    x = 182,968,149,388.42/569,239.79
  6. Step 6: Final answer
    x = 321,425.44

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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.