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Finding the Fourth Proportional to 568,810.86, 785,121 and 336,453.04

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Solution

The fourth proportional to 568,810.86, 785,121 and 336,453.04 is: 464,401.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,810.86 : 785,121 = 336,453.04 : x
  2. Step 2: Convert to fraction form
    568,810.86/785,121 = 336,453.04/x
  3. Step 3: Cross multiply
    568,810.86x = 785,121 × 336,453.04
  4. Step 4: Simplify right side
    568,810.86x = 264,156,347,217.84
  5. Step 5: Solve for x
    x = 264,156,347,217.84/568,810.86
  6. Step 6: Final answer
    x = 464,401.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.