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Finding the Fourth Proportional to 567,952.70, 851,679.78 and 212,717.50

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Solution

The fourth proportional to 567,952.70, 851,679.78 and 212,717.50 is: 318,982.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,952.70 : 851,679.78 = 212,717.50 : x
  2. Step 2: Convert to fraction form
    567,952.70/851,679.78 = 212,717.50/x
  3. Step 3: Cross multiply
    567,952.70x = 851,679.78 × 212,717.50
  4. Step 4: Simplify right side
    567,952.70x = 181,167,193,602.15
  5. Step 5: Solve for x
    x = 181,167,193,602.15/567,952.70
  6. Step 6: Final answer
    x = 318,982.89

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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.