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Finding the Fourth Proportional to 568,817.52, 852,699.12 and 214,066.80

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Solution

The fourth proportional to 568,817.52, 852,699.12 and 214,066.80 is: 320,901.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,817.52 : 852,699.12 = 214,066.80 : x
  2. Step 2: Convert to fraction form
    568,817.52/852,699.12 = 214,066.80/x
  3. Step 3: Cross multiply
    568,817.52x = 852,699.12 × 214,066.80
  4. Step 4: Simplify right side
    568,817.52x = 182,534,571,981.22
  5. Step 5: Solve for x
    x = 182,534,571,981.22/568,817.52
  6. Step 6: Final answer
    x = 320,901.81

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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.