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Finding the Fourth Proportional to 568,977.21, 853,588.73 and 302,699.03

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Solution

The fourth proportional to 568,977.21, 853,588.73 and 302,699.03 is: 454,113.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,977.21 : 853,588.73 = 302,699.03 : x
  2. Step 2: Convert to fraction form
    568,977.21/853,588.73 = 302,699.03/x
  3. Step 3: Cross multiply
    568,977.21x = 853,588.73 × 302,699.03
  4. Step 4: Simplify right side
    568,977.21x = 258,380,477,078.74
  5. Step 5: Solve for x
    x = 258,380,477,078.74/568,977.21
  6. Step 6: Final answer
    x = 454,113.93

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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.