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Finding the Fourth Proportional to 568,805.22, 784,884.06 and 314,141.22

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Solution

The fourth proportional to 568,805.22, 784,884.06 and 314,141.22 is: 433,477.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,805.22 : 784,884.06 = 314,141.22 : x
  2. Step 2: Convert to fraction form
    568,805.22/784,884.06 = 314,141.22/x
  3. Step 3: Cross multiply
    568,805.22x = 784,884.06 × 314,141.22
  4. Step 4: Simplify right side
    568,805.22x = 246,564,436,166.95
  5. Step 5: Solve for x
    x = 246,564,436,166.95/568,805.22
  6. Step 6: Final answer
    x = 433,477.80

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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.