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Finding the Fourth Proportional to 569,622.73, 853,931.26 and 214,885.87

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Solution

The fourth proportional to 569,622.73, 853,931.26 and 214,885.87 is: 322,139.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,622.73 : 853,931.26 = 214,885.87 : x
  2. Step 2: Convert to fraction form
    569,622.73/853,931.26 = 214,885.87/x
  3. Step 3: Cross multiply
    569,622.73x = 853,931.26 × 214,885.87
  4. Step 4: Simplify right side
    569,622.73x = 183,497,761,725.30
  5. Step 5: Solve for x
    x = 183,497,761,725.30/569,622.73
  6. Step 6: Final answer
    x = 322,139.11

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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.