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Finding the Fourth Proportional to 567,912.72, 851,864.76 and 168,554.64

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Solution

The fourth proportional to 567,912.72, 851,864.76 and 168,554.64 is: 252,830.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,912.72 : 851,864.76 = 168,554.64 : x
  2. Step 2: Convert to fraction form
    567,912.72/851,864.76 = 168,554.64/x
  3. Step 3: Cross multiply
    567,912.72x = 851,864.76 × 168,554.64
  4. Step 4: Simplify right side
    567,912.72x = 143,585,757,950.49
  5. Step 5: Solve for x
    x = 143,585,757,950.49/567,912.72
  6. Step 6: Final answer
    x = 252,830.68

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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.