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Finding the Fourth Proportional to 569,620.67, 853,928.17 and 214,883.80

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Solution

The fourth proportional to 569,620.67, 853,928.17 and 214,883.80 is: 322,136.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,620.67 : 853,928.17 = 214,883.80 : x
  2. Step 2: Convert to fraction form
    569,620.67/853,928.17 = 214,883.80/x
  3. Step 3: Cross multiply
    569,620.67x = 853,928.17 × 214,883.80
  4. Step 4: Simplify right side
    569,620.67x = 183,495,324,752.59
  5. Step 5: Solve for x
    x = 183,495,324,752.59/569,620.67
  6. Step 6: Final answer
    x = 322,136.00

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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.