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Finding the Fourth Proportional to 567,192.34, 850,805.01 and 212,138.62

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Solution

The fourth proportional to 567,192.34, 850,805.01 and 212,138.62 is: 318,214.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,192.34 : 850,805.01 = 212,138.62 : x
  2. Step 2: Convert to fraction form
    567,192.34/850,805.01 = 212,138.62/x
  3. Step 3: Cross multiply
    567,192.34x = 850,805.01 × 212,138.62
  4. Step 4: Simplify right side
    567,192.34x = 180,488,600,710.49
  5. Step 5: Solve for x
    x = 180,488,600,710.49/567,192.34
  6. Step 6: Final answer
    x = 318,214.10

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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.