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Finding the Fourth Proportional to 568,497.33, 851,812.88 and 194,316.21

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Solution

The fourth proportional to 568,497.33, 851,812.88 and 194,316.21 is: 291,155.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,497.33 : 851,812.88 = 194,316.21 : x
  2. Step 2: Convert to fraction form
    568,497.33/851,812.88 = 194,316.21/x
  3. Step 3: Cross multiply
    568,497.33x = 851,812.88 × 194,316.21
  4. Step 4: Simplify right side
    568,497.33x = 165,521,049,499.20
  5. Step 5: Solve for x
    x = 165,521,049,499.20/568,497.33
  6. Step 6: Final answer
    x = 291,155.37

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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.