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Finding the Fourth Proportional to 568,176.72, 852,043.68 and 212,997

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Solution

The fourth proportional to 568,176.72, 852,043.68 and 212,997 is: 319,412.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,176.72 : 852,043.68 = 212,997 : x
  2. Step 2: Convert to fraction form
    568,176.72/852,043.68 = 212,997/x
  3. Step 3: Cross multiply
    568,176.72x = 852,043.68 × 212,997
  4. Step 4: Simplify right side
    568,176.72x = 181,482,747,708.96
  5. Step 5: Solve for x
    x = 181,482,747,708.96/568,176.72
  6. Step 6: Final answer
    x = 319,412.50

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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.