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Finding the Fourth Proportional to 568,592, 852,968.64 and 208,716.80

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Solution

The fourth proportional to 568,592, 852,968.64 and 208,716.80 is: 313,104.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,592 : 852,968.64 = 208,716.80 : x
  2. Step 2: Convert to fraction form
    568,592/852,968.64 = 208,716.80/x
  3. Step 3: Cross multiply
    568,592x = 852,968.64 × 208,716.80
  4. Step 4: Simplify right side
    568,592x = 178,028,885,041.15
  5. Step 5: Solve for x
    x = 178,028,885,041.15/568,592
  6. Step 6: Final answer
    x = 313,104.80

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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.