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Finding the Fourth Proportional to 567,872.26, 851,559 and 212,637.16

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Solution

The fourth proportional to 567,872.26, 851,559 and 212,637.16 is: 318,862.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,872.26 : 851,559 = 212,637.16 : x
  2. Step 2: Convert to fraction form
    567,872.26/851,559 = 212,637.16/x
  3. Step 3: Cross multiply
    567,872.26x = 851,559 × 212,637.16
  4. Step 4: Simplify right side
    567,872.26x = 181,073,087,332.44
  5. Step 5: Solve for x
    x = 181,073,087,332.44/567,872.26
  6. Step 6: Final answer
    x = 318,862.36

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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.