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Finding the Fourth Proportional to 568,187.78, 852,060.18 and 213,008

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Solution

The fourth proportional to 568,187.78, 852,060.18 and 213,008 is: 319,428.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,187.78 : 852,060.18 = 213,008 : x
  2. Step 2: Convert to fraction form
    568,187.78/852,060.18 = 213,008/x
  3. Step 3: Cross multiply
    568,187.78x = 852,060.18 × 213,008
  4. Step 4: Simplify right side
    568,187.78x = 181,495,634,821.44
  5. Step 5: Solve for x
    x = 181,495,634,821.44/568,187.78
  6. Step 6: Final answer
    x = 319,428.97

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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.