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Finding the Fourth Proportional to 567,950.70, 851,676.78 and 212,715.50

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Solution

The fourth proportional to 567,950.70, 851,676.78 and 212,715.50 is: 318,979.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,950.70 : 851,676.78 = 212,715.50 : x
  2. Step 2: Convert to fraction form
    567,950.70/851,676.78 = 212,715.50/x
  3. Step 3: Cross multiply
    567,950.70x = 851,676.78 × 212,715.50
  4. Step 4: Simplify right side
    567,950.70x = 181,164,852,096.09
  5. Step 5: Solve for x
    x = 181,164,852,096.09/567,950.70
  6. Step 6: Final answer
    x = 318,979.89

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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.